SUN TZU
THE Art of War
Translated from the chinese by:
LIONEL GILES, M.A.
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I. LAYING PLANS
Sun
Tzu said: The art of war is of vital importance to the State.
It
is a matter of life and death, a road either to safety or to ruin. Hence it is
a
subject of inquiry which can on no account be neglected.
The
art of war, then, is governed by five constant factors, to be taken into
account
in one’s deliberations, when seeking to determine the conditions
obtaining
in the field.
These
are:
(1)
The Moral Law;
(2)
Heaven;
(3)
Earth;
(4)
The Commander;
(5)
Method and discipline.
The
Moral Law causes the people to be in complete accord with their
ruler,
so that they will follow him regardless of their lives, undismayed by
any
danger.
Heaven
signifies night and day, cold and heat, times and seasons.
Earth
comprises distances, great and small; danger and security; open
ground
and narrow passes; the chances of life and death.
The
Commander stands for the virtues of wisdom, sincerely, benevolence,
courage
and strictness.
By
method and discipline are to be understood the marshaling of the
army
in its proper subdivisions, the graduations of rank among the
officers,
the maintenance of roads by which supplies may reach the army,
and
the control of military expenditure.
These
five heads should be familiar to every general: he who knows them
will
be victorious; he who knows them not will fail.
Therefore,
in your deliberations, when seeking to determine the military
conditions,
let them be made the basis of a comparison, in this wise:--
(1)
Which of the two sovereigns is imbued with the Moral law?
(2)
Which of the two generals has most ability?
(3)
With whom lie the advantages derived from Heaven and Earth?
(4)
On which side is discipline most rigorously enforced?
(5)
Which army is stronger?
(6)
On which side are officers and men more highly trained?
(7)
In which army is there the greater constancy both in reward and
punishment?
By
means of these seven considerations I can forecast victory or defeat.
The
general that hearkens to my counsel and acts upon it, will conquer: let
such
a one be retained in command! The general that hearkens not to my
counsel
nor acts upon it, will suffer defeat:--let such a one be dismissed!
While
heading the profit of my counsel, avail yourself also of any helpful
circumstances
over and beyond the ordinary rules.
According
as circumstances are favorable, one should modify one’s plans.
All
warfare is based on deception.
Hence,
when able to attack, we must seem unable; when using our forces,
we
must seem inactive; when we are near, we must make the enemy believe
we
are far away; when far away, we must make him believe we are near.
Hold
out baits to entice the enemy. Feign disorder, and crush him.
If
he is secure at all points, be prepared for him. If he is in superior
strength,
evade him.
If
your opponent is of choleric temper, seek to irritate him. Pretend to be
weak,
that he may grow arrogant.
If
he is taking his ease, give him no rest. If his forces are united, separate
them.
Attack
him where he is unprepared, appear where you are not expected.
These
military devices, leading to victory, must not be divulged
beforehand.
Now
the general who wins a battle makes many calculations in his temple
ere
the battle is fought. The general who loses a battle makes but few
calculations
beforehand. Thus do many calculations lead to victory, and
few
calculations to defeat: how much more no calculation at all! It is by
attention
to this point that I can foresee who is likely to win or lose.
II. WAGING WAR
Sun
Tzu said: In the operations of war, where there are in the field a
thousand
swift chariots, as many heavy chariots, and a hundred thousand
mail-clad
soldiers, with provisions enough to carry them a thousand li,
the
expenditure at home and at the front, including entertainment of
guests,
small items such as glue and paint, and sums spent on chariots and
armor,
will reach the total of a thousand ounces of silver per day. Such is
the
cost of raising an army of 100,000 men.
When
you engage in actual fighting, if victory is long in coming, then
men’s
weapons will grow dull and their ardor will be damped. If you lay
siege
to a town, you will exhaust your strength.
Again,
if the campaign is protracted, the resources of the State will not be
equal
to the strain.
Now,
when your weapons are dulled, your ardor damped, your strength
exhausted
and your treasure spent, other chieftains will spring up to take
advantage
of your extremity. Then no man, however wise, will be able to
avert
the consequences that must ensue.
Thus,
though we have heard of stupid haste in war, cleverness has never
been
seen associated with long delays.
There
is no instance of a country having benefited from prolonged
warfare.
It
is only one who is thoroughly acquainted with the evils of war that can
thoroughly
understand the profitable way of carrying it on.
The
skillful soldier does not raise a second levy, neither are his supplywagons
loaded
more than twice.
Bring
war material with you from home, but forage on the enemy. Thus
the
army will have food enough for its needs.
Poverty
of the State exchequer causes an army to be maintained by
contributions
from a distance. Contributing to maintain an army at a
distance
causes the people to be impoverished.
On
the other hand, the proximity of an army causes prices to go up; and
high
prices cause the people’s substance to be drained away.
When
their substance is drained away, the peasantry will be afflicted by
heavy
exactions.
13,
With this loss of substance and exhaustion of strength, the homes of
the
people will be stripped bare, and three-tenths of their income will be
dissipated;
while government expenses for broken chariots, worn-out
horses,
breast-plates and helmets, bows and arrows, spears and shields,
protective
mantles, draught-oxen and heavy wagons, will amount to fourtenths
of
its total revenue.
Hence
a wise general makes a point of foraging on the enemy. One
cartload
of the enemy’s provisions is equivalent to twenty of one’s own,
and
likewise a single picul of his provender is equivalent to twenty from
one’s
own store.
Now
in order to kill the enemy, our men must be roused to anger; that
there
may be advantage from defeating the enemy, they must have their
rewards.
Therefore
in chariot fighting, when ten or more chariots have been taken,
those
should be rewarded who took the first. Our own flags should be
substituted
for those of the enemy, and the chariots mingled and used in
conjunction
with ours. The captured soldiers should be kindly treated
and
kept.
This
is called, using the conquered foe to augment one’s own strength.
In
war, then, let your great object be victory, not lengthy campaigns.
Thus
it may be known that the leader of armies is the arbiter of the
people’s
fate, the man on whom it depends whether the nation shall be in
peace
or in peril.
III. ATTACK BY STRATAGEM
Sun
Tzu said: In the practical art of war, the best thing of all is to take the
enemy’s
country whole and intact; to shatter and destroy it is not so
good.
So, too, it is better to recapture an army entire than to destroy it, to
capture
a regiment, a detachment or a company entire than to destroy
them.
Hence
to fight and conquer in all your battles is not supreme excellence;
supreme
excellence consists in breaking the enemy’s resistance without
fighting.
Thus
the highest form of generalship is to balk the enemy’s plans; the
next
best is to prevent the junction of the enemy’s forces; the next in
order
is to attack the enemy’s army in the field; and the worst policy of all
is
to besiege walled cities.
The
rule is, not to besiege walled cities if it can possibly be avoided. The
preparation
of mantlets, movable shelters, and various implements of war,
will
take up three whole months; and the piling up of mounds over
against
the walls will take three months more.
The
general, unable to control his irritation, will launch his men to the
assault
like swarming ants, with the result that one-third of his men are
slain,
while the town still remains untaken. Such are the disastrous effects
of
a siege.
Therefore
the skillful leader subdues the enemy’s troops without any
fighting;
he captures their cities without laying siege to them; he
overthrows
their kingdom without lengthy operations in the field.
With
his forces intact he will dispute the mastery of the Empire, and thus,
without
losing a man, his triumph will be complete. This is the method of
attacking
by stratagem.
It
is the rule in war, if our forces are ten to the enemy’s one, to surround
him;
if five to one, to attack him; if twice as numerous, to divide our army
into
two.
If
equally matched, we can offer battle; if slightly inferior in numbers, we
can
avoid the enemy; if quite unequal in every way, we can flee from him.
Hence,
though an obstinate fight may be made by a small force, in the
end
it must be captured by the larger force.
Now
the general is the bulwark of the State; if the bulwark is complete at
all
points; the State will be strong; if the bulwark is defective, the State will
be
weak.
There
are three ways in which a ruler can bring misfortune upon his
army:--
(1)
By commanding the army to advance or to retreat, being ignorant of
the
fact that it cannot obey. This is called hobbling the army.
(2)
By attempting to govern an army in the same way as he administers a
kingdom,
being ignorant of the conditions which obtain in an army. This
causes
restlessness in the soldier’s minds.
(3)
By employing the officers of his army without discrimination,
through
ignorance of the military principle of adaptation to
circumstances.
This shakes the confidence of the soldiers.
But
when the army is restless and distrustful, trouble is sure to come from
the
other feudal princes. This is simply bringing anarchy into the army,
and
flinging victory away.
Thus
we may know that there are five essentials for victory:
(1)
He will win who knows when to fight and when not to fight.
(2)
He will win who knows how to handle both superior and
inferior
forces.
(3)
He will win whose army is animated by the same spirit
throughout
all its ranks.
(4)
He will win who, prepared himself, waits to take the enemy
unprepared.
(5)
He will win who has military capacity and is not interfered with
by
the sovereign.
Hence
the saying: If you know the enemy and know yourself, you need
not
fear the result of a hundred battles. If you know yourself but not the
enemy,
for every victory gained you will also suffer a defeat. If you know
neither
the enemy nor yourself, you will succumb in every battle.
IV. TACTICAL DISPOSITIONS
Sun
Tzu said: The good fighters of old first put themselves beyond the
possibility
of defeat, and then waited for an opportunity of defeating the
enemy.
To
secure ourselves against defeat lies in our own hands, but the
opportunity
of defeating the enemy is provided by the enemy himself.
Thus
the good fighter is able to secure himself against defeat, but cannot
make
certain of defeating the enemy.
Hence
the saying: One may know how to conquer without being able to
do
it.
Security
against defeat implies defensive tactics; ability to defeat the
enemy
means taking the offensive.
Standing
on the defensive indicates insufficient strength; attacking, a
superabundance
of strength.
The
general who is skilled in defense hides in the most secret recesses of
the
earth; he who is skilled in attack flashes forth from the topmost
heights
of heaven. Thus on the one hand we have ability to protect
ourselves;
on the other, a victory that is complete.
To
see victory only when it is within the ken of the common herd is not
the
acme of excellence.
Neither
is it the acme of excellence if you fight and conquer and the
whole
Empire says, “Well done!”
To
lift an autumn hair is no sign of great strength; to see the sun and
moon
is no sign of sharp sight; to hear the noise of thunder is no sign of a
quick
ear.
What
the ancients called a clever fighter is one who not only wins, but
excels
in winning with ease.
Hence
his victories bring him neither reputation for wisdom nor credit
for
courage.
He
wins his battles by making no mistakes. Making no mistakes is what
establishes
the certainty of victory, for it means conquering an enemy that
is
already defeated.
Hence
the skillful fighter puts himself into a position which makes defeat
impossible,
and does not miss the moment for defeating the enemy.
Thus
it is that in war the victorious strategist only seeks battle after the
victory
has been won, whereas he who is destined to defeat first fights and
afterwards
looks for victory.
The
consummate leader cultivates the moral law, and strictly adheres to
method
and discipline; thus it is in his power to control success.
In
respect of military method, we have, firstly, Measurement; secondly,
Estimation
of quantity; thirdly, Calculation; fourthly, Balancing of
chances;
fifthly, Victory.
Measurement
owes its existence to Earth; Estimation of quantity to
Measurement;
Calculation to Estimation of quantity; Balancing of
chances
to Calculation; and Victory to Balancing of chances.
A
victorious army opposed to a routed one, is as a pound’s weight placed
in
the scale against a single grain.
The
onrush of a conquering force is like the bursting of pent-up waters
into
a chasm a thousand fathoms deep.
V. ENERGY
Sun
Tzu said: The control of a large force is the same principle as the
control
of a few men: it is merely a question of dividing up their numbers.
Fighting
with a large army under your command is nowise different from
fighting
with a small one: it is merely a question of instituting signs and
signals.
To
ensure that your whole host may withstand the brunt of the enemy’s
attack
and remain unshaken-- this is effected by maneuvers direct and
indirect.
That
the impact of your army may be like a grindstone dashed against an
egg--this
is effected by the science of weak points and strong.
In
all fighting, the direct method may be used for joining battle, but
indirect
methods will be needed in order to secure victory.
Indirect
tactics, efficiently applied, are inexhaustible as Heaven and Earth,
unending
as the flow of rivers and streams; like the sun and moon, they
end
but to begin anew; like the four seasons, they pass away to return once
more.
There
are not more than five musical notes, yet the combinations of these
five
give rise to more melodies than can ever be heard.
There
are not more than five primary colors (blue, yellow, red, white, and
black),
yet in combination they produce more hues than can ever been
seen.
There
are not more than five cardinal tastes (sour, acrid, salt, sweet,
bitter),
yet combinations of them yield more flavors than can ever be
tasted.
In
battle, there are not more than two methods of attack--the direct and
the
indirect; yet these two in combination give rise to an endless series of
maneuvers.
The
direct and the indirect lead on to each other in turn. It is like moving
in
a circle--you never come to an end. Who can exhaust the possibilities
of
their combination?
The
onset of troops is like the rush of a torrent which will even roll stones
along
in its course.
The
quality of decision is like the well-timed swoop of a falcon which
enables
it to strike and destroy its victim.
Therefore
the good fighter will be terrible in his onset, and prompt in his
decision.
Energy
may be likened to the bending of a crossbow; decision, to the
releasing
of a trigger.
Amid
the turmoil and tumult of battle, there may be seeming disorder
and
yet no real disorder at all; amid confusion and chaos, your array may
be
without head or tail, yet it will be proof against defeat.
Simulated
disorder postulates perfect discipline, simulated fear postulates
courage;
simulated weakness postulates strength.
Hiding
order beneath the cloak of disorder is simply a question of
subdivision;
concealing courage under a show of timidity presupposes a
fund
of latent energy; masking strength with weakness is to be effected by
tactical
dispositions.
Thus
one who is skillful at keeping the enemy on the move maintains
deceitful
appearances, according to which the enemy will act. He sacrifices
something,
that the enemy may snatch at it.
By
holding out baits, he keeps him on the march; then with a body of
picked
men he lies in wait for him.
The
clever combatant looks to the effect of combined energy, and does
not
require too much from individuals. Hence his ability to pick out the
right
men and utilize combined energy.
When
he utilizes combined energy, his fighting men become as it were
like
unto rolling logs or stones. For it is the nature of a log or stone to
remain
motionless on level ground, and to move when on a slope; if fourcornered,
to
come to a standstill, but if round-shaped, to go rolling down.
Thus
the energy developed by good fighting men is as the momentum of
a
round stone rolled down a mountain thousands of feet in height. So
much
on the subject of energy.
VI. WEAK POINTS AND STRONG
Sun
Tzu said: Whoever is first in the field and awaits the coming of the
enemy,
will be fresh for the fight; whoever is second in the field and has to
hasten
to battle will arrive exhausted.
Therefore
the clever combatant imposes his will on the enemy, but does
not
allow the enemy’s will to be imposed on him.
By
holding out advantages to him, he can cause the enemy to approach
of
his own accord; or, by inflicting damage, he can make it impossible for
the
enemy to draw near.
If
the enemy is taking his ease, he can harass him; if well supplied with
food,
he can starve him out; if quietly encamped, he can force him to
move.
Appear
at points which the enemy must hasten to defend; march swiftly
to
places where you are not expected.
An
army may march great distances without distress, if it marches
through
country where the enemy is not.
You
can be sure of succeeding in your attacks if you only attack places
which
are undefended.You can ensure the safety of your defense if you
only
hold positions that cannot be attacked.
Hence
that general is skillful in attack whose opponent does not know
what
to defend; and he is skillful in defense whose opponent does not
know
what to attack.
O
divine art of subtlety and secrecy! Through you we learn to be
invisible,
through you inaudible; and hence we can hold the enemy’s fate
in
our hands.
You
may advance and be absolutely irresistible, if you make for the
enemy’s
weak points; you may retire and be safe from pursuit if your
movements
are more rapid than those of the enemy.
If
we wish to fight, the enemy can be forced to an engagement even
though
he be sheltered behind a high rampart and a deep ditch. All we
need
do is attack some other place that he will be obliged to relieve.
If
we do not wish to fight, we can prevent the enemy from engaging us
even
though the lines of our encampment be merely traced out on the
ground.
All we need do is to throw something odd and unaccountable in
his
way.
By
discovering the enemy’s dispositions and remaining invisible
ourselves,
we can keep our forces concentrated, while the enemy’s must be
divided.
We
can form a single united body, while the enemy must split up into
fractions.
Hence there will be a whole pitted against separate parts of a
whole,
which means that we shall be many to the enemy’s few.
And
if we are able thus to attack an inferior force with a superior one, our
opponents
will be in dire straits.
The
spot where we intend to fight must not be made known; for then the
enemy
will have to prepare against a possible attack at several different
points;
and his forces being thus distributed in many directions, the
numbers
we shall have to face at any given point will be proportionately
few.
For
should the enemy strengthen his van, he will weaken his rear; should
he
strengthen his rear, he will weaken his van; should he strengthen his
left,
he will weaken his right; should he strengthen his right, he will
weaken
his left. If he sends reinforcements everywhere, he will everywhere
be
weak.
Numerical
weakness comes from having to prepare against possible
attacks;
numerical strength, from compelling our adversary to make these
preparations
against us.
Knowing
the place and the time of the coming battle, we may
concentrate
from the greatest distances in order to fight.
But
if neither time nor place be known, then the left wing will be
impotent
to succor the right, the right equally impotent to succor the left,
the
van unable to relieve the rear, or the rear to support the van. How
much
more so if the furthest portions of the army are anything under a
hundred
LI apart, and even the nearest are separated by several LI!
Though
according to my estimate the soldiers of Yueh exceed our own in
number,
that shall advantage them nothing in the matter of victory. I say
then
that victory can be achieved.
Though
the enemy be stronger in numbers, we may prevent him from
fighting.
Scheme so as to discover his plans and the likelihood of their
success.
Rouse
him, and learn the principle of his activity or inactivity. Force him
to
reveal himself, so as to find out his vulnerable spots.
Carefully
compare the opposing army with your own, so that you may
know
where strength is superabundant and where it is deficient.
In
making tactical dispositions, the highest pitch you can attain is to
conceal
them; conceal your dispositions, and you will be safe from the
prying
of the subtlest spies, from the machinations of the wisest brains.
How
victory may be produced for them out of the enemy’s own tactics--
that
is what the multitude cannot comprehend.
All
men can see the tactics whereby I conquer, but what none can see is
the
strategy out of which victory is evolved.
Do
not repeat the tactics which have gained you one victory, but let your
methods
be regulated by the infinite variety of circumstances.
Military
tactics are like unto water; for water in its natural course runs
away
from high places and hastens downwards.
So
in war, the way is to avoid what is strong and to strike at what is weak.
Water
shapes its course according to the nature of the ground over which
it
flows; the soldier works out his victory in relation to the foe whom he is
facing.
Therefore,
just as water retains no constant shape, so in warfare there are
no
constant conditions.
He
who can modify his tactics in relation to his opponent and thereby
succeed
in winning, may be called a heaven-born captain.
The
five elements (water, fire, wood, metal, earth) are not always equally
predominant;
the four seasons make way for each other in turn. There are
short
days and long; the moon has its periods of waning and waxing.
VII. MANEUVERING
Sun
Tzu said: In war, the general receives his commands from the
sovereign.
Having
collected an army and concentrated his forces, he must blend and
harmonize
the different elements thereof before pitching his camp.
After
that, comes tactical maneuvering, than which there is nothing more
difficult.
The difficulty of tactical maneuvering consists in turning the
devious
into the direct, and misfortune into gain.
Thus,
to take a long and circuitous route, after enticing the enemy out of
the
way, and though starting after him, to contrive to reach the goal
before
him, shows knowledge of the artifice of DEVIATION.
Maneuvering
with an army is advantageous; with an undisciplined
multitude,
most dangerous.
If
you set a fully equipped army in march in order to snatch an advantage,
the
chances are that you will be too late. On the other hand, to detach a
flying
column for the purpose involves the sacrifice of its baggage and
stores.
Thus,
if you order your men to roll up their buff-coats, and make forced
marches
without halting day or night, covering double the usual distance
at
a stretch, doing a hundred LI in order to wrest an advantage, the leaders
of
all your three divisions will fall into the hands of the enemy.
The
stronger men will be in front, the jaded ones will fall behind, and on
this
plan only one-tenth of your army will reach its destination.
If
you march fifty LI in order to outmaneuver the enemy, you will lose
the
leader of your first division, and only half your force will reach the
goal.
If
you march thirty LI with the same object, two-thirds of your army will
arrive.
We
may take it then that an army without its baggage-train is lost;
without
provisions it is lost; without bases of supply it is lost.
We
cannot enter into alliances until we are acquainted with the designs of
our
neighbors.
We
are not fit to lead an army on the march unless we are familiar with
the
face of the country--its mountains and forests, its pitfalls and
precipices,
its marshes and swamps.
We
shall be unable to turn natural advantage to account unless we make
use
of local guides.
In
war, practice dissimulation, and you will succeed.
Whether
to concentrate or to divide your troops, must be decided by
circumstances.
Let
your rapidity be that of the wind, your compactness that of the forest.
In
raiding and plundering be like fire, is immovability like a mountain.
Let
your plans be dark and impenetrable as night, and when you move,
fall
like a thunderbolt.
When
you plunder a countryside, let the spoil be divided amongst your
men;
when you capture new territory, cut it up into allotments for the
benefit
of the soldiery.
Ponder
and deliberate before you make a move.
He
will conquer who has learnt the artifice of deviation. Such is the art of
maneuvering.
The
Book of Army Management says: On the field of battle, the spoken
word
does not carry far enough: hence the institution of gongs and
drums.
Nor can ordinary objects be seen clearly enough: hence the
institution
of banners and flags.
Gongs
and drums, banners and flags, are means whereby the ears and eyes
of
the host may be focused on one particular point.
The
host thus forming a single united body, is it impossible either for the
brave
to advance alone, or for the cowardly to retreat alone. This is the art
of
handling large masses of men.
In
night-fighting, then, make much use of signal-fires and drums, and in
fighting
by day, of flags and banners, as a means of influencing the ears
and
eyes of your army.
A
whole army may be robbed of its spirit; a commander-in-chief may be
robbed
of his presence of mind.
Now
a soldier’s spirit is keenest in the morning; by noonday it has begun
to
flag; and in the evening, his mind is bent only on returning to camp.
A
clever general, therefore, avoids an army when its spirit is keen, but
attacks
it when it is sluggish and inclined to return. This is the art of
studying
moods.
Disciplined
and calm, to await the appearance of disorder and hubbub
amongst
the enemy:--this is the art of retaining self-possession.
To
be near the goal while the enemy is still far from it, to wait at ease
while
the enemy is toiling and struggling, to be well-fed while the enemy
is
famished:--this is the art of husbanding one’s strength.
To
refrain from intercepting an enemy whose banners are in perfect order,
to
refrain from attacking an army drawn up in calm and confident array:--
this
is the art of studying circumstances.
It
is a military axiom not to advance uphill against the enemy, nor to
oppose
him when he comes downhill.
Do
not pursue an enemy who simulates flight; do not attack soldiers
whose
temper is keen.
Do
not swallow bait offered by the enemy. Do not interfere with an army
that
is returning home.
When
you surround an army, leave an outlet free. Do not press a
desperate
foe too hard.
Such
is the art of warfare.
VIII. VARIATION IN TACTICS
Sun
Tzu said: In war, the general receives his commands from the
sovereign,
collects his army and concentrates his forces
When
in difficult country, do not encamp. In country where high roads
intersect,
join hands with your allies. Do not linger in dangerously
isolated
positions. In hemmed-in situations, you must resort to
stratagem.
In desperate position, you must fight.
There
are roads which must not be followed, armies which must be not
attacked,
towns which must be besieged, positions which must not be
contested,
commands of the sovereign which must not be obeyed.
The
general who thoroughly understands the advantages that accompany
variation
of tactics knows how to handle his troops.
The
general who does not understand these, may be well acquainted with
the
configuration of the country, yet he will not be able to turn his
knowledge
to practical account.
So,
the student of war who is unversed in the art of war of varying his
plans,
even though he be acquainted with the Five Advantages, will fail to
make
the best use of his men.
Hence
in the wise leader’s plans, considerations of advantage and of
disadvantage
will be blended together.
If
our expectation of advantage be tempered in this way, we may succeed
in
accomplishing the essential part of our schemes.
If,
on the other hand, in the midst of difficulties we are always ready to
seize
an advantage, we may extricate ourselves from misfortune.
Reduce
the hostile chiefs by inflicting damage on them; and make trouble
for
them, and keep them constantly engaged; hold out specious
allurements,
and make them rush to any given point.
The
art of war teaches us to rely not on the likelihood of the enemy’s not
coming,
but on our own readiness to receive him; not on the chance of his
not
attacking, but rather on the fact that we have made our position
unassailable.
There
are five dangerous faults which may affect a
general:
(1)
Recklessness, which leads to destruction;
(2)
cowardice, which leads to capture;
(3)
a hasty temper, which can be provoked by insults;
(4)
a delicacy of honor which is sensitive to shame;
(5)
over-solicitude for his men, which exposes him to worry and
trouble.
These
are the five besetting sins of a general, ruinous to the conduct of
war.
When
an army is overthrown and its leader slain, the cause will surely be
found
among these five dangerous faults. Let them be a subject of
meditation.
IX. THE ARMY ON THE MARCH
Sun
Tzu said: We come now to the question of encamping the army, and
observing
signs of the enemy. Pass quickly over mountains, and keep in
the
neighborhood of valleys.
Camp
in high places, facing the sun. Do not climb heights in order to
fight.
So much for mountain warfare.
After
crossing a river, you should get far away from it.
When
an invading force crosses a river in its onward march, do not
advance
to meet it in mid-stream. It will be best to let half the army get
across,
and then deliver your attack.
If
you are anxious to fight, you should not go to meet the invader near a
river
which he has to cross.
Moor
your craft higher up than the enemy, and facing the sun. Do not
move
up-stream to meet the enemy. So much for river warfare.
In
crossing salt-marshes, your sole concern should be to get over them
quickly,
without any delay.
If
forced to fight in a salt-marsh, you should have water and grass near
you,
and get your back to a clump of trees. So much for operations in saltmarches.
In
dry, level country, take up an easily accessible position with rising
ground
to your right and on your rear, so that the danger may be in front,
and
safety lie behind. So much for campaigning in flat country.
These
are the four useful branches of military knowledge which enabled
the
Yellow Emperor to vanquish four several sovereigns.
All
armies prefer high ground to low and sunny places to dark.
If
you are careful of your men, and camp on hard ground, the army will
be
free from disease of every kind, and this will spell victory.
When
you come to a hill or a bank, occupy the sunny side, with the slope
on
your right rear. Thus you will at once act for the benefit of your
soldiers
and utilize the natural advantages of the ground.
When,
in consequence of heavy rains up-country, a river which you wish
to
ford is swollen and flecked with foam, you must wait until it subsides.
Country
in which there are precipitous cliffs with torrents running
between,
deep natural hollows, confined places, tangled thickets,
quagmires
and crevasses, should be left with all possible speed and not
approached.
While
we keep away from such places, we should get the enemy to
approach
them; while we face them, we should let the enemy have them
on
his rear.
If
in the neighborhood of your camp there should be any hilly country,
ponds
surrounded by aquatic grass, hollow basins filled with reeds, or
woods
with thick undergrowth, they must be carefully routed out and
searched;
for these are places where men in ambush or insidious spies are
likely
to be lurking.
When
the enemy is close at hand and remains quiet, he is relying on the
natural
strength of his position.
When
he keeps aloof and tries to provoke a battle, he is anxious for the
other
side to advance.
If
his place of encampment is easy of access, he is tendering a bait.
Movement
amongst the trees of a forest shows that the enemy is
advancing.
The appearance of a number of screens in the midst of thick
grass
means that the enemy wants to make us suspicious.
The
rising of birds in their flight is the sign of an ambuscade. Startled
beasts
indicate that a sudden attack is coming.
When
there is dust rising in a high column, it is the sign of chariots
advancing;
when the dust is low, but spread over a wide area, it betokens
the
approach of infantry. When it branches out in different directions, it
shows
that parties have been sent to collect firewood. A few clouds of dust
moving
to and fro signify that the army is encamping.
Humble
words and increased preparations are signs that the enemy is
about
to advance. Violent language and driving forward as if to the attack
are
signs that he will retreat.
When
the light chariots come out first and take up a position on the
wings,
it is a sign that the enemy is forming for battle.
Peace
proposals unaccompanied by a sworn covenant indicate a plot.
When
there is much running about and the soldiers fall into rank, it
means
that the critical moment has come.
When
some are seen advancing and some retreating, it is a lure.
When
the soldiers stand leaning on their spears, they are faint from want
of
food.
If
those who are sent to draw water begin by drinking themselves, the
army
is suffering from thirst.
If
the enemy sees an advantage to be gained and makes no effort to secure
it,
the soldiers are exhausted.
If
birds gather on any spot, it is unoccupied. Clamor by night betokens
nervousness.
If
there is disturbance in the camp, the general’s authority is weak. If the
banners
and flags are shifted about, sedition is afoot. If the officers are
angry,
it means that the men are weary.
When
an army feeds its horses with grain and kills its cattle for food, and
when
the men do not hang their cooking-pots over the camp-fires,
showing
that they will not return to their tents, you may know that they
are
determined to fight to the death.
The
sight of men whispering together in small knots or speaking in
subdued
tones points to disaffection amongst the rank and file.
Too
frequent rewards signify that the enemy is at the end of his resources;
too
many punishments betray a condition of dire distress.
To
begin by bluster, but afterwards to take fright at the enemy’s numbers,
shows
a supreme lack of intelligence.
When
envoys are sent with compliments in their mouths, it is a sign that
the
enemy wishes for a truce.
If
the enemy’s troops march up angrily and remain facing ours for a long
time
without either joining battle or taking themselves off again, the
situation
is one that demands great vigilance and circumspection.
If
our troops are no more in number than the enemy, that is amply
sufficient;
it only means that no direct attack can be made. What we can
do
is simply to concentrate all our available strength, keep a close watch
on
the enemy, and obtain reinforcements.
He
who exercises no forethought but makes light of his opponents is sure
to
be captured by them.
If
soldiers are punished before they have grown attached to you, they will
not
prove submissive; and, unless submissive, then will be practically
useless.
If, when the soldiers have become attached to you, punishments
are
not enforced, they will still be unless.
Therefore
soldiers must be treated in the first instance with humanity,
but
kept under control by means of iron discipline. This is a certain road
to
victory.
If
in training soldiers commands are habitually enforced, the army will be
well-disciplined;
if not, its discipline will be bad.
If
a general shows confidence in his men but always insists on his orders
being
obeyed, the gain will be mutual.
X. TERRAIN
Sun
Tzu said: We may distinguish six kinds of terrain, to wit:
(1)
Accessible ground;
(2)
entangling ground;
(3)
temporizing ground;
(4)
narrow passes;
(5)
precipitous heights;
(6)
positions at a great distance from the enemy.
Ground
which can be freely traversed by both sides is called accessible.
With
regard to ground of this nature, be before the enemy in occupying
the
raised and sunny spots, and carefully guard your line of supplies. Then
you
will be able to fight with advantage.
Ground
which can be abandoned but is hard to re-occupy is called
entangling.
From
a position of this sort, if the enemy is unprepared, you may sally
forth
and defeat him. But if the enemy is prepared for your coming, and
you
fail to defeat him, then, return being impossible, disaster will ensue.
When
the position is such that neither side will gain by making the first
move,
it is called temporizing ground.
In
a position of this sort, even though the enemy should offer us an
attractive
bait, it will be advisable not to stir forth, but rather to retreat,
thus
enticing the enemy in his turn; then, when part of his army has come
out,
we may deliver our attack with advantage.
With
regard to narrow passes, if you can occupy them first, let them be
strongly
garrisoned and await the advent of the enemy.
Should
the army forestall you in occupying a pass, do not go after him if
the
pass is fully garrisoned, but only if it is weakly garrisoned.
With
regard to precipitous heights, if you are beforehand with your
adversary,
you should occupy the raised and sunny spots, and there wait
for
him to come up.
If
the enemy has occupied them before you, do not
follow
him, but retreat and try to entice him away.
If
you are situated at a great distance from the enemy, and the strength of
the
two armies is equal, it is not easy to provoke a battle, and fighting will
be
to your disadvantage.
These
six are the principles connected with Earth. The general who has
attained
a responsible post must be careful to study them.
Now
an army is exposed to six several calamities, not arising from natural
causes,
but from faults for which the general is responsible. These are:
(1)
Flight;
(2)
insubordination;
(3)
collapse;
(4)
ruin;
(5)
disorganization;
(6)
rout.
Other
conditions being equal, if one force is hurled against another ten
times
its size, the result will be the flight of the former.
When
the common soldiers are too strong and their officers too weak,
the
result is insubordination. When the officers are too strong and the
common
soldiers too weak, the result is collapse.
When
the higher officers are angry and insubordinate, and on meeting
the
enemy give battle on their own account from a feeling of resentment,
before
the commander-in-chief can tell whether or no he is in a position
to
fight, the result is ruin.
When
the general is weak and without authority; when his orders are not
clear
and distinct; when there are no fixes duties assigned to officers and
men,
and the ranks are formed in a slovenly haphazard manner, the result
is
utter disorganization.
When
a general, unable to estimate the enemy’s strength, allows an
inferior
force to engage a larger one, or hurls a weak detachment against a
powerful
one, and neglects to place picked soldiers in the front rank, the
result
must be rout.
These
are six ways of courting defeat, which must be carefully noted by
the
general who has attained a responsible post.
The
natural formation of the country is the soldier’s best ally; but a
power
of estimating the adversary, of controlling the forces of victory, and
of
shrewdly calculating difficulties, dangers and distances, constitutes the
test
of a great general.
He
who knows these things, and in fighting puts his knowledge into
practice,
will win his battles. He who knows them not, nor practices them,
will
surely be defeated.
If
fighting is sure to result in victory, then you must fight, even though
the
ruler forbid it; if fighting will not result in victory, then you must not
fight
even at the ruler’s bidding.
The
general who advances without coveting fame and retreats without
fearing
disgrace, whose only thought is to protect his country and do
good
service for his sovereign, is the jewel of the kingdom.
Regard
your soldiers as your children, and they will follow you into the
deepest
valleys; look upon them as your own beloved sons, and they will
stand
by you even unto death.
If,
however, you are indulgent, but unable to make your authority felt;
kind-hearted,
but unable to enforce your commands; and incapable,
moreover,
of quelling disorder: then your soldiers must be likened to
spoilt
children; they are useless for any practical purpose.
If
we know that our own men are in a condition to attack, but are
unaware
that the enemy is not open to attack, we have gone only halfway
towards
victory.
If
we know that the enemy is open to attack, but are unaware that our
own
men are not in a condition to attack, we have gone only halfway
towards
victory.
If
we know that the enemy is open to attack, and also know that our men
are
in a condition to attack, but are unaware that the nature of the ground
makes
fighting impracticable, we have still gone only halfway towards
victory.
Hence
the experienced soldier, once in motion, is never bewildered; once
he
has broken camp, he is never at a loss.
Hence
the saying: If you know the enemy and know yourself, your
victory
will not stand in doubt; if you know Heaven and know Earth, you
may
make your victory complete.
XI. THE NINE SITUATIONS
Sun
Tzu said: The art of war recognizes nine varieties of ground:
(1)
Dispersive ground;
(2)
facile ground;
(3)
contentious ground;
(4)
open ground;
(5)
ground of intersecting highways;
(6)
serious ground;
(7)
difficult ground;
(8)
hemmed-in ground;
(9)
desperate ground.
When
a chieftain is fighting in his own territory, it is dispersive ground.
When
he has penetrated into hostile territory, but to no great distance, it
is
facile ground.
Ground
the possession of which imports great advantage to either side, is
contentious
ground.
Ground
on which each side has liberty of movement is open ground.
Ground
which forms the key to three contiguous states, so that he who
occupies
it first has most of the Empire at his command, is a ground of
intersecting
highways.
When
an army has penetrated into the heart of a hostile country, leaving
a
number of fortified cities in its rear, it is serious ground.
Mountain
forests, rugged steeps, marshes and fens--all country that is
hard
to traverse: this is difficult ground.
Ground
which is reached through narrow gorges, and from which we can
only
retire by tortuous paths, so that a small number of the enemy would
suffice
to crush a large body of our men: this is hemmed in ground.
Ground
on which we can only be saved from destruction by fighting
without
delay, is desperate ground.
On
dispersive ground, therefore, fight not. On facile ground, halt not. On
contentious
ground, attack not.
On
open ground, do not try to block the enemy’s way. On the ground of
intersecting
highways, join hands with your allies.
On
serious ground, gather in plunder. In difficult ground, keep steadily
on
the march.
On
hemmed-in ground, resort to stratagem. On desperate ground, fight.
Those
who were called skillful leaders of old knew how to drive a wedge
between
the enemy’s front and rear; to prevent co-operation between his
large
and small divisions; to hinder the good troops from rescuing the
bad,
the officers from rallying their men.
When
the enemy’s men were united, they managed to keep them in
disorder.
When
it was to their advantage, they made a forward move; when
otherwise,
they stopped still.
If
asked how to cope with a great host of the enemy in orderly array and
on
the point of marching to the attack, I should say: “Begin by seizing
something
which your opponent holds dear; then he will be amenable to
your
will.”
Rapidity
is the essence of war: take advantage of the enemy’s unreadiness,
make
your way by unexpected routes, and attack unguarded spots.
The
following are the principles to be observed by an invading force: The
further
you penetrate into a country, the greater will be the solidarity of
your
troops, and thus the defenders will not prevail against you.
Make
forays in fertile country in order to supply your army with food.
Carefully
study the well-being of your men, and do not overtax them.
Concentrate
your energy and hoard your strength. Keep your army
continually
on the move, and devise unfathomable plans.
Throw
your soldiers into positions whence there is no escape, and they
will
prefer death to flight. If they will face death, there is nothing they may
not
achieve. Officers and men alike will put forth their uttermost strength.
Soldiers
when in desperate straits lose the sense of fear. If there is no place
of
refuge, they will stand firm. If they are in hostile country, they will
show
a stubborn front. If there is no help for it, they will fight hard.
Thus,
without waiting to be marshaled, the soldiers will be constantly on
the
qui vive; without waiting to be asked, they will do your will; without
restrictions,
they will be faithful; without giving orders, they can be
trusted.
Prohibit
the taking of omens, and do away with superstitious doubts.
Then,
until death itself comes, no calamity need be feared.
If
our soldiers are not overburdened with money, it is not because they
have
a distaste for riches; if their lives are not unduly long, it is not
because
they are disinclined to longevity.
On
the day they are ordered out to battle, your soldiers may weep, those
sitting
up bedewing their garments, and those lying down letting the tears
run
down their cheeks. But let them once be brought to bay, and they will
display
the courage of a Chu or a Kuei.
The
skillful tactician may be likened to the shuai-jan. Now the shuai-jan
is
a snake that is found in the ChUng mountains. Strike at its head, and
you
will be attacked by its tail; strike at its tail, and you will be attacked by
its
head; strike at its middle, and you will be attacked by head and tail
both.
Asked
if an army can be made to imitate the shuai-jan, I should answer,
Yes.
For the men of Wu and the men of Yueh are enemies; yet if they are
crossing
a river in the same boat and are caught by a storm, they will come
to
each other’s assistance just as the left hand helps the right.
Hence
it is not enough to put one’s trust in the tethering of horses, and
the
burying of chariot wheels in the ground
The
principle on which to manage an army is to set up one standard of
courage
which all must reach.
How
to make the best of both strong and weak--that is a question
involving
the proper use of ground.
Thus
the skillful general conducts his army just as though he were leading
a
single man, willy-nilly, by the hand.
It
is the business of a general to be quiet and thus ensure secrecy; upright
and
just, and thus maintain order.
He
must be able to mystify his officers and men by false reports and
appearances,
and thus keep them in total ignorance.
By
altering his arrangements and changing his plans, he keeps the enemy
without
definite knowledge. By shifting his camp and taking circuitous
routes,
he prevents the enemy from anticipating his purpose.
At
the critical moment, the leader of an army acts like one who has
climbed
up a height and then kicks away the ladder behind him. He
carries
his men deep into hostile territory before he shows his hand.
He
burns his boats and breaks his cooking-pots; like a shepherd driving a
flock
of sheep, he drives his men this way and that, and nothing knows
whither
he is going.
To
muster his host and bring it into danger:--this may be termed the
business
of the general.
The
different measures suited to the nine varieties of ground; the
expediency
of aggressive or defensive tactics; and the fundamental laws of
human
nature: these are things that must most certainly be studied.
When
invading hostile territory, the general principle is, that penetrating
deeply
brings cohesion; penetrating but a short way means dispersion.
When
you leave your own country behind, and take your army across
neighborhood
territory, you find yourself on critical ground. When there
are
means of communication on all four sides, the ground is one of
intersecting
highways.
When
you penetrate deeply into a country, it is serious ground. When
you
penetrate but a little way, it is facile ground.
When
you have the enemy’s strongholds on your rear, and narrow passes
in
front, it is hemmed-in ground. When there is no place of refuge at all, it
is
desperate ground.
Therefore,
on dispersive ground, I would inspire my men with unity of
purpose.
On facile ground, I would see that there is close connection
between
all parts of my army.
On
contentious ground, I would hurry up my rear.
On
open ground, I would keep a vigilant eye on my defenses. On ground
of
intersecting highways, I would consolidate my alliances.
On
serious ground, I would try to ensure a continuous stream of
supplies.
On difficult ground, I would keep pushing on along the road.
On
hemmed-in ground, I would block any way of retreat. On desperate
ground,
I would proclaim to my soldiers the hopelessness of saving their
lives.
For
it is the soldier’s disposition to offer an obstinate resistance when
surrounded,
to fight hard when he cannot help himself, and to obey
promptly
when he has fallen into danger.
We
cannot enter into alliance with neighboring princes until we are
acquainted
with their designs. We are not fit to lead an army on the march
unless
we are familiar with the face of the country--its mountains and
forests,
its pitfalls and precipices, its marshes and swamps. We shall be
unable
to turn natural advantages to account unless we make use of local
guides.
To
be ignored of any one of the following four or five principles does not
befit
a warlike prince.
When
a warlike prince attacks a powerful state, his generalship shows
itself
in preventing the concentration of the enemy’s forces. He overawes
his
opponents, and their allies are prevented from joining against him.
Hence
he does not strive to ally himself with all and sundry, nor does he
foster
the power of other states. He carries out his own secret designs,
keeping
his antagonists in awe. Thus he is able to capture their cities and
overthrow
their kingdoms.
Bestow
rewards without regard to rule, issue orders without regard to
previous
arrangements; and you will be able to handle a whole army as
though
you had to do with but a single man.
Confront
your soldiers with the deed itself; never let them know your
design.
When the outlook is bright, bring it before their eyes; but tell
them
nothing when the situation is gloomy.
Place
your army in deadly peril, and it will survive; plunge it into
desperate
straits, and it will come off in safety.
For
it is precisely when a force has fallen into harm’s way that is capable
of
striking a blow for victory.
Success
in warfare is gained by carefully
accommodating
ourselves to the enemy’s purpose.
By
persistently hanging on the enemy’s flank, we shall succeed in the long
run
in killing the commander-in-chief.
This
is called ability to accomplish a thing by sheer cunning.
On
the day that you take up your command, block the frontier passes,
destroy
the official tallies, and stop the passage of all emissaries.
Be
stern in the council-chamber, so that you may control the situation.
If
the enemy leaves a door open, you must rush in.
Forestall
your opponent by seizing what he holds dear, and subtly
contrive
to time his arrival on the ground.
Walk
in the path defined by rule, and accommodate yourself to the
enemy
until you can fight a decisive battle.
At
first, then, exhibit the coyness of a maiden, until the enemy gives you
an
opening; afterwards emulate the rapidity of a running hare, and it will
be
too late for the enemy to oppose you.
XII. THE ATTACK BY FIRE
Sun
Tzu said: There are five ways of attacking with fire. The first is to burn
soldiers
in their camp; the second is to burn stores; the third is to burn
baggage
trains; the fourth is to burn arsenals and magazines; the fifth is to
hurl
dropping fire amongst the enemy.
In
order to carry out an attack, we must have means available. The
material
for raising fire should always be kept in readiness.
There
is a proper season for making attacks with fire, and special days for
starting
a conflagration.
The
proper season is when the weather is very dry; the special days are
those
when the moon is in the constellations of the Sieve, the Wall, the
Wing
or the Cross-bar; for these four are all days of rising wind.
In
attacking with fire, one should be prepared to meet five possible
developments:
(1)
When fire breaks out inside to enemy’s camp, respond at once with an
attack
from without.
(2)
If there is an outbreak of fire, but the enemy’s soldiers remain quiet,
bide
your time and do not attack.
(3)
When the force of the flames has reached its height, follow it up with
an
attack, if that is practicable; if not, stay where you are.
(4)
If it is possible to make an assault with fire from without, do not wait
for
it to break out within, but deliver your attack at a favorable moment.
(5)
When you start a fire, be to windward of it. Do not attack from the
leeward.
A
wind that rises in the daytime lasts long, but a night breeze soon falls.
In
every army, the five developments connected with fire must be known,
the
movements of the stars calculated, and a watch kept for the proper
days.
Hence
those who use fire as an aid to the attack show intelligence; those
who
use water as an aid to the attack gain an accession of strength.
By
means of water, an enemy may be intercepted, but not robbed of all
his
belongings.
Unhappy
is the fate of one who tries to win his battles and succeed in his
attacks
without cultivating the spirit of enterprise; for the result is waste
of
time and general stagnation.
Hence
the saying: The enlightened ruler lays his plans well ahead; the
good
general cultivates his resources.
Move
not unless you see an advantage; use not your troops unless there is
something
to be gained; fight not unless the position is critical.
No
ruler should put troops into the field merely to gratify his own
spleen;
no general should fight a battle simply out of pique.
If
it is to your advantage, make a forward move; if not, stay where you are.
Anger
may in time change to gladness; vexation may be succeeded by
content.
But
a kingdom that has once been destroyed can never come again into
being;
nor can the dead ever be brought back to life.
Hence
the enlightened ruler is heedful, and the good general full of
caution.
This is the way to keep a country at peace and an army intact.
XIII. THE USE OF SPIES
Sun
Tzu said: Raising a host of a hundred thousand men and marching
them
great distances entails heavy loss on the people and a drain on the
resources
of the State. The daily expenditure will amount to a thousand
ounces
of silver. There will be commotion at home and abroad, and men
will
drop down exhausted on the highways. As many as seven hundred
thousand
families will be impeded in their labor.
Hostile
armies may face each other for years, striving for the victory
which
is decided in a single day. This being so, to remain in ignorance of
the
enemy’s condition simply because one grudges the outlay of a
hundred
ounces of silver in honors and emoluments, is the height of
inhumanity.
One
who acts thus is no leader of men, no present help to his sovereign,
no
master of victory.
Thus,
what enables the wise sovereign and the good general to strike and
conquer,
and achieve things beyond the reach of ordinary men, is
foreknowledge.
Now
this foreknowledge cannot be elicited from spirits; it cannot be
obtained
inductively from experience, nor by any deductive calculation.
Knowledge
of the enemy’s dispositions can only be obtained from other
men.
Hence
the use of spies, of whom there are five classes:
(1)
Local spies;
(2)
inward spies;
(3)
converted spies;
(4)
doomed spies;
(5)
surviving spies.
When
these five kinds of spy are all at work, none can discover the secret
system.
This is called “divine manipulation of the threads.” It is the
sovereign’s
most precious faculty.
Having
local spies means employing the services of the inhabitants of a
district.
Having
inward spies, making use of officials of the enemy.
Having
converted spies, getting hold of the enemy’s spies and using them
for
our own purposes.
Having
doomed spies, doing certain things openly for purposes of
deception,
and allowing our spies to know of them and report them to
the
enemy.
Surviving
spies, finally, are those who bring back news from the enemy’s
camp.
Hence
it is that which none in the whole army are more intimate
relations
to be maintained than with spies. None should be more liberally
rewarded.
In no other business should greater secrecy be preserved.
Spies
cannot be usefully employed without a certain intuitive sagacity.
They
cannot be properly managed without benevolence and
straightforwardness.
Without
subtle ingenuity of mind, one cannot make certain of the truth
of
their reports.
Be
subtle! be subtle! and use your spies for every kind of business.
If
a secret piece of news is divulged by a spy before the time is ripe, he
must
be put to death together with the man to whom the secret was told.
Whether
the object be to crush an army, to storm a city, or to assassinate
an
individual, it is always necessary to begin by finding out the names of
the
attendants, the aides-de-camp, and door-keepers and sentries of the
general
in command. Our spies must be commissioned to ascertain these.
The
enemy’s spies who have come to spy on us must be sought out,
tempted
with bribes, led away and comfortably housed. Thus they will
become
converted spies and available for our service.
It
is through the information brought by the converted spy that we are
able
to acquire and employ local and inward spies.
It
is owing to his information, again, that we can cause the doomed spy
to
carry false tidings to the enemy.
Lastly,
it is by his information that the surviving spy can be used on
appointed
occasions.
The
end and aim of spying in all its five varieties is knowledge of the
enemy;
and this knowledge can only be derived, in the first instance, from
the
converted spy. Hence it is essential that the converted spy be treated
with
the utmost liberality.
Of
old, the rise of the Yin dynasty was due to I Chih who had served
under
the Hsia. Likewise, the rise of the Chou dynasty was due to Lu Ya
who
had served under the Yin.
Hence
it is only the enlightened ruler and the wise general who will use
the
highest intelligence of the army for purposes of spying and thereby
they
achieve great results. Spies are a most important element in water,
because on them
depends an army’s ability to move.
well Thank you very much. But you didn't include the pictures for us.
ReplyDeletemost of the strategies here are outdated for modern combat but yet still useful anyway