Sun Tzu on Risk
Sun Tzu is, above all, about managing risk: not taking fights you cannot win, preserving your capital, and only committing when the odds favor you. This is the essence of prudent decision-making under uncertainty.
Sun Tzu lessons for this
“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.”
Sun Tzu · Chapter 1: Laying Plans
“There is no instance of a country having benefited from prolonged warfare.”
Sun Tzu · Chapter 2: Waging War
“Though we have heard of stupid haste in war, cleverness has never been seen associated with long delays.”
Sun Tzu · Chapter 2: Waging War
“The art of war is of vital importance to the State.”
Sun Tzu · Chapter 1: Laying Plans
“It is a matter of life and death, a road either to safety or to ruin.”
Sun Tzu · Chapter 1: Laying Plans
“Heaven signifies night and day, cold and heat, times and seasons. Earth comprises distances, danger and security, open ground and narrow passes.”
Sun Tzu · Chapter 1: Laying Plans
“Method and discipline are the marshalling of the army, the gradations of rank, the maintenance of roads, and the control of expenditure.”
Sun Tzu · Chapter 1: Laying Plans
“By means of these seven considerations I can forecast victory or defeat.”
Sun Tzu · Chapter 1: Laying Plans
“According as circumstances are favourable, one should modify one's plans.”
Sun Tzu · Chapter 1: Laying Plans
“If he is secure at all points, be prepared for him. If he is in superior strength, evade him.”
Sun Tzu · Chapter 1: Laying Plans
“These military devices, leading to victory, must not be divulged beforehand.”
Sun Tzu · Chapter 1: Laying Plans
“The general who wins makes many calculations before the battle. The general who loses makes but few.”
Sun Tzu · Chapter 1: Laying Plans
“In the operations of war, a thousand chariots and a hundred thousand mail-clad soldiers will cost a thousand ounces of silver per day.”
Sun Tzu · Chapter 2: Waging War
“If victory is long in coming, the men's weapons will grow dull and their ardour will be damped.”
Sun Tzu · Chapter 2: Waging War
“If the campaign is protracted, the resources of the State will not be equal to the strain.”
Sun Tzu · Chapter 2: Waging War
“There is no instance of a country having benefited from prolonged warfare.”
Sun Tzu · Chapter 2: Waging War
“It is only one who is thoroughly acquainted with the evils of war that can thoroughly understand the profitable way of carrying it on.”
Sun Tzu · Chapter 2: Waging War
“Poverty of the State exchequer causes an army to be maintained by contributions from a distance.”
Sun Tzu · Chapter 2: Waging War
“The proximity of an army causes prices to go up; and high prices cause the people's substance to be drained.”
Sun Tzu · Chapter 2: Waging War
“The skilful soldier does not raise a second levy, neither are his supply-waggons loaded more than twice.”
Sun Tzu · Chapter 2: Waging War
“The highest form of generalship is to baulk the enemy's plans; the next best is to prevent the junction of his forces.”
Sun Tzu · Chapter 3: Attack by Stratagem
“The worst policy of all is to besiege walled cities.”
Sun Tzu · Chapter 3: Attack by Stratagem
“If equally matched, we can offer battle; if slightly inferior, we can avoid the enemy; if quite unequal, we can flee.”
Sun Tzu · Chapter 3: Attack by Stratagem
“The general is the bulwark of the State: if the bulwark is complete, the State will be strong; if defective, the State will be weak.”
Sun Tzu · Chapter 3: Attack by Stratagem
“If you know the enemy and know yourself, you need not fear the result of a hundred battles.”
Sun Tzu · Chapter 3: Attack by Stratagem
“If you know yourself but not the enemy, for every victory gained you will also suffer a defeat.”
Sun Tzu · Chapter 3: Attack by Stratagem
“If you know neither the enemy nor yourself, you will succumb in every battle.”
Sun Tzu · Chapter 3: Attack by Stratagem
“The good fighters of old first put themselves beyond the possibility of defeat, and then waited for an opportunity of defeating the enemy.”
Sun Tzu · Chapter 4: Tactical Dispositions
“The opportunity of defeating the enemy is provided by the enemy himself.”
Sun Tzu · Chapter 4: Tactical Dispositions
“Security against defeat implies defensive tactics; ability to defeat means taking the offensive.”
Sun Tzu · Chapter 4: Tactical Dispositions
“He wins his battles by making no mistakes. Making no mistakes establishes certainty of victory.”
Sun Tzu · Chapter 4: Tactical Dispositions
“The skilful fighter puts himself into a position which makes defeat impossible, and does not miss the moment for defeating the enemy.”
Sun Tzu · Chapter 4: Tactical Dispositions
“Measurement, Estimation, Calculation, Balancing of chances, Victory: such is the sequence.”
Sun Tzu · Chapter 4: Tactical Dispositions
“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.”
Sun Tzu · Chapter 6: Weak Points and Strong
“By discovering the enemy's dispositions and remaining invisible ourselves, we can keep our forces concentrated, while the enemy's must be divided.”
Sun Tzu · Chapter 6: Weak Points and Strong
“The spot where we intend to fight must not be made known; for then the enemy will prepare against a possible attack at several points.”
Sun Tzu · Chapter 6: Weak Points and Strong
“Rouse him, and learn the principle of his activity or inactivity. Force him to reveal himself, so as to find out his vulnerable spots.”
Sun Tzu · Chapter 6: Weak Points and Strong
“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.”
Sun Tzu · Chapter 6: Weak Points and Strong
“Just as water retains no constant shape, so in warfare there are no constant conditions.”
Sun Tzu · Chapter 6: Weak Points and Strong
“The five elements are not always equally predominant; the four seasons make way for each other in turn.”
Sun Tzu · Chapter 6: Weak Points and Strong
“After collecting an army, comes tactical manoeuvring, than which there is nothing more difficult. The difficulty consists in turning the devious into the direct, and misfortune into gain.”
Sun Tzu · Chapter 7: Maneuvering
“Manœuvring with an army is advantageous; with an undisciplined multitude, most dangerous.”
Sun Tzu · Chapter 7: Maneuvering
“If you order forced marches without halting, covering double the distance, the leaders of all your divisions will fall into the enemy's hands.”
Sun Tzu · Chapter 7: Maneuvering
“An army without its baggage-train is lost; without provisions it is lost; without bases of supply it is lost.”
Sun Tzu · Chapter 7: Maneuvering
“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.”
Sun Tzu · Chapter 7: Maneuvering
“In war, practise dissimulation, and you will succeed. Move only if there is a real advantage to be gained.”
Sun Tzu · Chapter 7: Maneuvering
“Ponder and deliberate before you make a move.”
Sun Tzu · Chapter 7: Maneuvering
“A clever general avoids an army when its spirit is keen, but attacks it when it is sluggish.”
Sun Tzu · Chapter 7: Maneuvering
“It is a military axiom not to advance uphill against the enemy, nor to oppose him when he comes downhill.”
Sun Tzu · Chapter 7: Maneuvering
“Do not swallow a bait offered by the enemy. Do not interfere with an army that is returning home.”
Sun Tzu · Chapter 7: Maneuvering
“When in difficult country, do not encamp. In hemmed-in situations, you must resort to stratagem. In a desperate position, you must fight.”
Sun Tzu · Chapter 8: Variation in Tactics
“There are roads which must not be followed, armies which must not be attacked, towns which must not be besieged, positions which must not be contested, commands of the sovereign which must not be obeyed.”
Sun Tzu · Chapter 8: Variation in Tactics
“In the wise leader's plans, considerations of advantage and of disadvantage will be blended together.”
Sun Tzu · Chapter 8: Variation in Tactics
“If, in the midst of difficulties, we are always ready to seize an advantage, we may extricate ourselves from misfortune.”
Sun Tzu · Chapter 8: Variation in Tactics
“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.”
Sun Tzu · Chapter 8: Variation in Tactics
“There are five dangerous faults which may affect a general: recklessness, cowardice, a hasty temper, a delicacy of honour, and over-solicitude for his men.”
Sun Tzu · Chapter 8: Variation in Tactics
“Recklessness, which leads to destruction; cowardice, which leads to capture.”
Sun Tzu · Chapter 8: Variation in Tactics
“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.”
Sun Tzu · Chapter 8: Variation in Tactics
“We come now to the question of encamping the army, and observing signs of the enemy.”
Sun Tzu · Chapter 9: The Army on the March
“Camp in high places, facing the sun. Do not climb heights in order to fight.”
Sun Tzu · Chapter 9: The Army on the March
“After crossing a river, you should get far away from it.”
Sun Tzu · Chapter 9: The Army on the March
“Moor your craft higher up than the enemy, and facing the sun. Do not move up-stream to meet the enemy.”
Sun Tzu · Chapter 9: The Army on the March
“In crossing salt-marshes, your sole concern should be to get over them quickly, without any delay.”
Sun Tzu · Chapter 9: The Army on the March
“In dry, level country, take up an easily accessible position with rising ground to your right and on your rear.”
Sun Tzu · Chapter 9: The Army on the March
“All armies prefer high ground to low and sunny places to dark.”
Sun Tzu · Chapter 9: The Army on the March
“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.”
Sun Tzu · Chapter 9: The Army on the March
“When the enemy is close at hand and remains quiet, he is relying on the natural strength of his position.”
Sun Tzu · Chapter 9: The Army on the March
“When his place of encampment is easy of access, he is tendering a bait.”
Sun Tzu · Chapter 9: The Army on the March
“The rising of birds in their flight is the sign of an ambuscade. Startled beasts indicate that a sudden attack is coming.”
Sun Tzu · Chapter 9: The Army on the March
“When there is dust rising in a high column, it is the sign of chariots advancing; a few clouds of dust moving to and fro signify that the army is encamping.”
Sun Tzu · Chapter 9: The Army on the March
“Humble words and increased preparations are signs that the enemy is about to advance. Violent language and driving forward indicate that he will retreat.”
Sun Tzu · Chapter 9: The Army on the March
“Peace proposals unaccompanied by a sworn covenant indicate a plot.”
Sun Tzu · Chapter 9: The Army on the March
“When some are seen advancing and some retreating, it is a lure.”
Sun Tzu · Chapter 9: The Army on the March
“If those who are sent to draw water begin by drinking themselves, the army is suffering from thirst.”
Sun Tzu · Chapter 9: The Army on the March
“He who exercises no forethought but makes light of his opponents is sure to be captured by them.”
Sun Tzu · Chapter 9: The Army on the March
“We may distinguish six kinds of terrain: accessible, entangling, temporising, narrow passes, precipitous heights, and positions at a great distance.”
Sun Tzu · Chapter 10: Terrain
“From a position of this sort, if the enemy is unprepared, you may sally forth and defeat him; but if he is prepared, disaster will ensue.”
Sun Tzu · Chapter 10: Terrain
“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.”
Sun Tzu · Chapter 10: Terrain
“Now an army is exposed to six several calamities: flight, insubordination, collapse, ruin, disorganisation, and rout.”
Sun Tzu · Chapter 10: Terrain
“When one force is hurled against another ten times its size, the result will be the flight of the former.”
Sun Tzu · Chapter 10: Terrain
“When the higher officers are angry and insubordinate, and give battle on their own account from resentment, the result is ruin.”
Sun Tzu · Chapter 10: Terrain
“When the general is weak and without authority; when his orders are not clear; when there are no fixed duties; the result is utter disorganisation.”
Sun Tzu · Chapter 10: Terrain
“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.”
Sun Tzu · Chapter 10: Terrain
“If we know that the enemy is open to attack, and also know that our men are in condition, but are unaware that the ground makes fighting impracticable, we have still gone only halfway.”
Sun Tzu · Chapter 10: Terrain
“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.”
Sun Tzu · Chapter 10: Terrain
“The general who advances without coveting fame and retreats without fearing disgrace, whose only thought is to protect his country, is the jewel of the kingdom.”
Sun Tzu · Chapter 10: Terrain
“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.”
Sun Tzu · Chapter 10: Terrain
“The art of war recognises nine varieties of ground: dispersive, facile, contentious, open, ground of intersecting highways, serious, difficult, hemmed-in, and desperate.”
Sun Tzu · Chapter 11: The Nine Situations
“When a chieftain is fighting in his own territory, it is dispersive ground; on dispersive ground, fight not.”
Sun Tzu · Chapter 11: The Nine Situations
“When he has penetrated into hostile territory but to no great distance, it is facile ground; on facile ground, halt not.”
Sun Tzu · Chapter 11: The Nine Situations
“Ground reached through narrow gorges, from which we can only retire by tortuous paths, is hemmed-in ground; on hemmed-in ground, resort to stratagem.”
Sun Tzu · Chapter 11: The Nine Situations
“Ground on which we can only be saved from destruction by fighting without delay is desperate ground.”
Sun Tzu · Chapter 11: The Nine Situations
“Throw your soldiers into positions whence there is no escape, and they will prefer death to flight.”
Sun Tzu · Chapter 11: The Nine Situations
“Soldiers when in desperate straits lose the sense of fear; when there is no place of refuge they stand firm.”
Sun Tzu · Chapter 11: The Nine Situations
“Place your army in deadly peril, and it will survive; plunge it into desperate straits, and it will come out safe.”
Sun Tzu · Chapter 11: The Nine Situations
“For it is the soldier's disposition to offer obstinate resistance when surrounded, to fight hard when there is no alternative, and to follow the leader when he is in earnest.”
Sun Tzu · Chapter 11: The Nine Situations
“The proper season is when the weather is very dry; the special days are those when the moon is in certain constellations; for these are days of rising wind.”
Sun Tzu · Chapter 12: The Attack by Fire
“In attacking with fire, one should be prepared to meet five possible developments.”
Sun Tzu · Chapter 12: The Attack by Fire
“When you start a fire, be to windward of it. Do not attack from the leeward.”
Sun Tzu · Chapter 12: The Attack by Fire
“A wind that rises in the daytime lasts long, but a night breeze soon falls.”
Sun Tzu · Chapter 12: The Attack by Fire
“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.”
Sun Tzu · Chapter 12: The Attack by Fire
“But a kingdom that has once been destroyed can never come again into being; nor can the dead ever be brought back to life.”
Sun Tzu · Chapter 12: The Attack by Fire
“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.”
Sun Tzu · Chapter 12: The Attack by Fire
“Raising a host of a hundred thousand men and marching them great distances entails heavy loss and a drain on the resources of the State.”
Sun Tzu · Chapter 13: The Use of Spies
“To remain in ignorance of the enemy's condition simply because one grudges the outlay of a hundred ounces of silver is the height of inhumanity.”
Sun Tzu · Chapter 13: The Use of Spies
“What enables the wise sovereign and the good general to strike and conquer is foreknowledge.”
Sun Tzu · Chapter 13: The Use of Spies
“This foreknowledge cannot be elicited from spirits; it cannot be obtained inductively from experience, nor by deductive calculation.”
Sun Tzu · Chapter 13: The Use of Spies
“There are five classes of spies: local, inward, converted, doomed, and surviving spies.”
Sun Tzu · Chapter 13: The Use of 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.”
Sun Tzu · Chapter 13: The Use of Spies
“Having inward spies means making use of officials of the enemy.”
Sun Tzu · Chapter 13: The Use of Spies
“Having converted spies means getting hold of the enemy's spies and using them for our own purposes.”
Sun Tzu · Chapter 13: The Use of Spies
“With none in the whole army are more intimate relations to be maintained than with spies. None should be more liberally rewarded.”
Sun Tzu · Chapter 13: The Use of Spies
“Spies cannot be usefully employed without a certain intuitive sagacity.”
Sun Tzu · Chapter 13: The Use of Spies
“Be subtle! be subtle! and use your spies for every kind of business.”
Sun Tzu · Chapter 13: The Use of Spies
“It is essential that the converted spy be treated with the utmost liberality.”
Sun Tzu · Chapter 13: The Use of Spies
“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.”
Sun Tzu · Chapter 13: The Use of Spies
The Art of War is a risk-management text. Sun Tzu’s first instruction is to calculate before committing: "The general who wins makes many calculations in his temple before the battle." Fights entered on hope rather than arithmetic are losses waiting to be scheduled.
His risk doctrine has three rules. First, survival outranks victory — an army that preserves itself can fight again, so never stake everything on one engagement. Second, uncertainty is reducible: "Rapidity is the essence of war" but so is "taking the enemy entire" — information gathered cheaply beats strength spent expensively. Third, retreat is a strategy, not a failure: leaving a losing position early is how strong forces stay strong.
The lessons below connect verbatim passages to modern risk practice: sizing commitments to survivable losses, gathering intelligence before exposure, and knowing the conditions under which you refuse to fight.
Put it into practice
Sun Tzu’s strategy is only useful if you actually use it. Try this small loop the next time risk shows up:
- Read the situation. Gather information about yourself, the other side, and the environment before you commit.
- Choose your ground. Avoid the other side’s strength and strike where you have an advantage.
- Act with timing. Move fast when the moment is right, and wait when patience is the advantage.
Frequently asked questions
What is Sun Tzu’s view of risk?
Risk is calculable, so calculate. Commit only when the arithmetic favors you, and never wager survival on any single outcome.
What did Sun Tzu say about retreat?
"When you surround an army, leave an outlet free" — and the inverse for yourself: a preserved force is an option. Retreating early from a losing position keeps you in the game.
How does The Art of War treat uncertainty?
As an information problem. Use spies and scouts (modern: research, data, small tests) to convert unknowns into knowns before committing resources.
What is the biggest risk mistake, per Sun Tzu?
Emotional commitment: "If the enemy leaves a door open, we must not act with violence" — and anger or pride is the door opponents leave open for you.
How do I apply this to decisions under pressure?
Write the calculation down: strengths, risks, conditions. If the ledger does not favor action, the disciplined move is waiting.