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Book Summary: Art Of War by Sun Tzu

Sun Tzu Art Of War Book Summary 13 Principles: review, quote and analysis of his philosophy on strategies, tactics and principles of war.
Sun Tzu Art Of War Book Summary - Review, Quote and Analysis

Here is the Art Of War by Sun Tzu - Summary, Quotes & Review:



What is Sun Tzu Art Of War Book?


Sun Tzu quotes,

If you know your enemy and you know yourself, you need not worry; the results of a hundred battles - Sun Tzu Art Of War

In The Art Of War book, Sun Tzu emphasizes the importance of being aware of our strengths and weaknesses in relation to our competition. This awareness allows us to identify areas for improvement and capitalize on our strengths.


The main lesson in Sun Tzu's "The Art of War" is to be observant and strategic about our surroundings, using this knowledge to navigate our path to success.


According to Sun Tzu, the definition of war extends beyond mere combat. While he does not provide specific directives, he encourages practitioners of the Art of War to think creatively and consider various efficient and effective strategies for achieving victory.


The Sun Tzu Art Of War treatise is not only about battle strategies. In the book, Sun Tzu wrote about planning, assessments, strategic planning, leadership, diplomacy, politics, etc.



How To Apply Sun Tzu Art Of War Philosophy / Strategy?


Sun Tzu's Art of War is used by many successful business people, corporate leaders, and politicians as a reference to gain power, positions, and wealth in their careers.


Some use Sun Tzu Art Of War quotes for wisdom and life lessons.


In the workplace, we compete for better positions and salaries. In business, we compete with rivals for greater profits and market share.


We live in a world defined by competition. Therefore, it is crucial to learn the lessons found in "The Art of War." Written by Sun Tzu, "The Art of War" is an ancient Chinese military text and is the earliest and most comprehensive book on war strategies in China.


In the past, every ruler, commander, and general must study "The Art of War." This book serves as a reference for many well-known generals throughout history.


To fully appreciate the significance of Sun Tzu's "The Art of War," it is important to first understand...



Who is this Philosopher Sun Tzu? (Short Biography)


Sun Tzu means Master Sun. His name is Sun Wu.


There are no exact dates of his birth or when he died.

He lived around 500 BCE.

He was born in the state of Qi (known today as Shandong province).


Sun Tzu was born into a noble family of military officers, which is why he became an expert in military affairs. During his time, the state of Qi held significant importance in ancient China due to its rich military history and legacy.


Sun Tzu lived in an era marked by numerous wars among various states in ancient China, providing him with extensive experience in warfare strategies. This environment allowed him to study and master the Art of War, making him an accomplished military scholar at a young age.


When the state of Qi went into political disorder, Sun Tzu was forced to move for his safety.


He moved to the State of Wu and eventually got a job as a general and a military advisor to King Helǔ of Wu State.



Sun Tzu Art Of War 13 Principles / Chapters?


It was written in bamboo strips and consists of 13 chapters.


  1. Laying Plans

  2. Waging War

  3. Attack by Stratagem

  4. Tactical Disposition 

  5. Energy 

  6. Weak and Strong Points 

  7. Maneuvering

  8. Variation of Tactics

  9. The Army on the March 

  10. Terrain 

  11. The Nine Situation 

  12. Attack by Fire

  13. The Use of Spies



The Summary of the Art Of War by Sun Tzu



Chapter 1. Laying Plans


In this chapter, Sun Tzu talks about the importance of planning and assessing before conducting any war. This chapter lays the foundation of Sun Tzu's Art Of War.


He said any actions taken in warfare have to be studied carefully. And must be treated like a life-and-death situation.


He also covers what are the factors one needs to assess when wanting to fight a war.


Sun Tzu said.


The Art Of War is ruled by five heavenly factors to be appraised in one's actions when determining the situation on the battlefield. The five heavenly factors are: (1) Moral Law, (2) Heaven, (3) Earth, (4) The Commander, (5) Rules And Regulation

To win any war,


The ruler must establish moral laws for the citizens to follow and obey, ensuring the order of his kingdom.


The general must determine the "Heaven," the weather, and the "Earth," which is the ground he will battle on before he decides to fight.


Sun Tzu says the "The Commander" refers to the leader. The leader's character is crucial in determining whether the war can be won. The commander should be wise, benevolent, courageous, and strict.


The commander must understand the "Rules & Regulations " of the army's organization and set standard operating procedures to ensure the organization runs cohesively and is united.


By studying the five heavenly factors, which are the Moral Law, Heaven, Earth, Commander, and the Rules and Regulations of your opponent and yourself, you will be able to determine who will win the war.


Sun Tzu said,


These five heavenly factors should be familiar to every general: he who knows will be able to conquer, he who does not know will fail.

After comparing all the enemy's five factors and yours, the next most important thing to do is do your calculations. The longer you spend doing your calculations in your temple or office, the more likely you will win.


Sun Tzu emphasizes the importance of spending time doing the necessary calculations in your temple.


Sun Tzu said,


The general, who makes many calculations in his temple, wins the battle. The general who makes a few calculations beforehand loses the battle. To lead to victory, many calculations must be done, and few calculations lead to defeat; how much more, no calculations at all. Looking at this I can foresee who will likely win or lose.

Sun Tzu reminded the reader that.

All warfare is based on deception.

Always remain flexible and adjust your plans to your advantage. Keep your strategies confidential. The essence of conflict relies heavily on deception..



Chapter 2. Waging War


In this chapter Sun Tzu discusses the dangers of having a prolonged battle. A war that takes a long time to gain victory is costly. It affects the state's wealth and the population's livelihood.


Sun Tzu views war as a matter of costs and profits. The goal is to win any conflict with minimal effort and expense while maximizing gains.


The cost of war operations is very costly.


Sun Tzu says,


The objective is to be victorious in war. If it is a prolonged war, the men’s weapons will grow dull, their ardor will be dampened, and the siege will exhaust your strength. 

In any prolonged battle, a country can't benefit. In fact, when you are weak because of a prolonged battle, Many other opportunistic leaders from nearby states will try to take advantage of your situation.


If you do not understand the damages of war, you cannot thoroughly understand the profitable way to fight it.


In war, you must seize your enemies' resources, such as their weapons, chariots, and equipment, and use them to fight against them.


Sun Tzu says,

War is about victory, not a prolonged campaign.

Because war is costly, Sun Tzu recommends leveraging the enemy's food, weapons, and chariots.


The purpose of war is all about victory. It's all about profits. Not prolonged campaigns.



Chapter 3. Attack By Strategem


Sun Tzu said, 

Hence, fighting and conquering in all battles is not supreme excellence; supreme excellence consists in breaking the enemy’s resistance without fighting.
Hence, the highest form of generalship is to disrupt the enemy’s plan; the next best to disrupt the enemy's alliance by diplomacy, and the worst policy is to besiege walled cities.

Sun Tzu advocates you must try to win the war without fighting. this can be done through diplomacy, negotiations, bribery, and all sorts of art of war tactics to bring down the enemy without real fighting.


If you want to win the war with your enemy, Sun Tzu says there are five fundamentals to victory.


  1. You must know when to fight and when not to fight.

  2. You must know how to fight according to the strength of the enemy forces.

  3. You will win if all your army is united throughout its ranks.

  4. You will win when you are already prepared and wait for the enemy who is unprepared.

  5. When the generals are capable and not interfered with by the rulers.


Sun Tzu concludes,

If you know yourself and know your enemy, you will not fear the results of 100 battles. If you do not know your enemy but know yourself, you will win some and lose some. If you know neither the enemy nor yourself, you will be in danger in every battle.


Chapter 4. Tactical Disposition 


The key to winning a war is through battle positioning. The good fighters of the past put themselves in an invincible position first and waited for the opportunity to be victorious when the enemy was vulnerable.


It is necessary to build your resources, improve your skills to make yourself invincible and take advantage, or wait for the opportunity when your competitor is weak and vulnerable.


According to Sun Tzu,


In ancient times, a good fighter was one who not only won but excelled in winning with ease. Therefore, his victories did not bring him a reputation for wisdom nor credit or merit for bravery.

One should not make mistakes; not making mistakes means conquering the enemy that has already been defeated.


Your decision process will decide the military tactics you use.


Sun Tzu says.


In the Art Of War, the first is measurement. The second is calculations. The third is quantification. The fourth is comparison, and the fifth is the possibility of victory.

Do your measurements and then decide which tactics give you the highest probability of victory.



Chapter 5. Energy 


Sun Tzu says,


Managing a large army is the same principle as managing a few soldiers; it is merely dividing their numbers and tasks.

Engaging in battle, with a large army, under your command differs from engaging with a small one; it is merely a question of formations and signals.

Sun Tzu talks about managing a group of army and the importance of communications.


In ancient times, fire, flags, and drums were used to communicate when leading a battle.


All battles are won through direct and indirect methods with an element of surprise.


Do not only confront head-on the enemy but also deploy troops to attack the side or back of the enemy.


You must learn to be tricky and make the enemy think you are unprepared and weak.

When there is the opportunity to attack, you must attack with full of energy.


Sun Tzu says,


Thus, the energy developed by good fighting men is like the momentum of a round stone rolling down a mountain thousands of feet in height, so much on the subject of energy.


Chapter 6. Weak and Strong Points 


Sun Tzu says,


Hence, the general is skillful in attack when his opponent does not know what to defend, and he is skillful in defense when his opponent doesn’t know what to attack.
The divine art of subtlety and secrecy. Through you, we learn to be invincible and silent. Hence, he is the master of the enemy’s fate.

When the enemy does not know your disposition, he is forced to divide his forces to defend all his positions.

When the enemy’s forces are divided, they become weak.


That’s when you concentrate your forces and attack the enemy’s weak point.



Chapter 7. Maneuvering


In this chapter, Sun Tzu talks about how to maneuver your troops.


Sun Tzu said,


Manoeuvring with an army has advantages, but it is most dangerous if the army is undisciplined.

When managing your troops, you must ensure they are all disciplined.

Only then can you march forward if your troops are disciplined.


When you are maneuvering your army, communications are very important.


Sun Tzu says,


Bells and drums, banners and flags are means of signaling to the ears and eyes of the army so that they are focused on the direction.

In night fighting, use signal fires, and drums, and fighting by day, flags and banners, as means of influencing the ears and eyes of the army.

When planning to battle with the enemy, always study the enemy’s mental and emotional conditions. 

Are the enemy troops homesick, demotivated, or tired?


A clever general, therefore, avoids an army when its spirit is keen but attacks it when it is sluggish and inclined to return home. You must study the art of studying moods.


Chapter 8. Variation of Tactics 


Your tactics in warfare depend very much on the ground you are fighting.


Sun Tzu said,


There are some roads that must not be followed, army that must not be attacked, towns that must not be seized, positions that must not be contested and commands of the sovereign that must not be obeyed.

One must know how to fight based on situations.


When you engage in any battle, you must know when to advance and when to retreat.


Sun Tzu warns,


In the Art Of War, always be prepared for the enemy coming. Never assume he will not come. Never presume he will not attack. Make our positions unassailable.

When the army is defeated and the general is killed, it is because of these five faults of the general.


  1. Recklessness

  2. Cowardice 

  3. Short Temper

  4. A Delicacy of Honor That is Sensitive to Shame 

  5. He is Compassionate for Men, Which Makes Him Unable to Command His Army


A lot of thoughts need to be given.



Chapter 9. The Army on the March 


When marching your army, always be observant of the surroundings, whether the mountains, valleys, or rivers.


The general must know when and how to battle the enemy based on the terrain.


Next, the general must gather knowledge of the enemies situation.


As Sun Tzu says,


Having more soldiers does not guarantee victory in a battle. Never attack by relying solely on military power; concentrating our strength, estimating the enemy's position, and seeking his capture is sufficient.

When marching your army, remember that you must always keep your soldiers in tight discipline.


Sun Tzu says,


If his men willingly obey the general’s command, there is mutual respect.


Chapter 10. Terrain 


There are six types of natural terrains, 


  1. Open Ground, 

  2. Entangling, 

  3. Inconclusive, 

  4. Narrow, 

  5. Precipitous and 

  6. Distance From the Enemy.


The general has to choose the terrain for his battle wisely and know the enemy’s capabilities.


Each terrain requires the general to use a different strategy to battle with the enemy.


Sun Tzu says,


These six grounds are the principles connected with the Earth element. The general’s responsibility is to analyze and study the terrain.

For the general to attain this responsible post, he must know how to manage his army according to the terrain and understand the enemy.


Sun Tzu says,


“The general is at fault if his army, 
  1. Flee 

  2. Insubordinate 

  3. Collapse

  4. Fall

  5. Disorganized 

  6. Rout


This is within the general’s control and does not arise from natural causes”.

The ability of the general lies in his ability to use the natural terrain of the country to his advantage. In this way, he’s able to control his victory.


To win the battle, this is what Sun Tzu says,


If you know the enemy and know yourself, your victory will be undoubted; if you know heaven and know earth, you may make your victory complete.

The general must be in control of his army and understand the enemy's situation. 

By understanding the terrain and the weather, the victory is in the general’s hands.



Chapter 11. The Nine Situation 


When entering enemy territory, the general must know the situation of the mountain forest, high and dangerous grounds, defiles, marshes, and swam to march the army.


If the general does not know the enemy territory well, he has to hire local guides to advance into enemy territory.


To be successful in marching the army, the general has to have the ability to adapt himself according to the changes of the enemy and have full control over his army.


Sun Tzu says, 


He must be able to mystify his officers and men with false reports and appearances, keeping them in total ignorance of his true intentions.
He alters his arrangements and constantly changes his plans so nobody knows his plans. By changing his campsites and taking circuitous routes, he prevents the enemy from anticipating his purpose.

The general have to behave like what Sun Tzu says,


The leader leads his army like a person who has climbed a height and then kicks away the leather behind him, putting his men in deep hostile territory.
He burns his boats and bricks, his cooking pots like a shepherd driving a flock of sheep. He drives his men this way and that, and no one knows where he is going.

When the general takes charge, he must be in complete control of the situation. Here is what Sun Tzu said.


On the day you take up your command, block the border passes, destroy the official correspondence, and stop the passage of all envoys. Be tough to the council chamber so that you can control the situation.



Chapter 12. The Attack by Fire


There are five methods to use fire to attack:

  1. Burn soldiers in the camp or town

  2. To burn stores

  3. Burn baggage trains

  4. To burn arsenals

  5. Fire attached arrows toward the enemy's camp to create disorder


In any method of attack, there must be a reason to use the weapon. Also, one has to consider the right weather and timing to attack.


All your army must be equipped with knowledge of the methods of using the different types of weapons and pay attention to the weather and the enemy movement.


When it comes to battles, one must think of the profitability of the battle. 

If there is no profit gain, it is a waste of your time and resources.


Use your troops only if there’s something to profit from, or fight only when you are in a desperate situation.


Sun Tzu said,


Hence, the enlightened ruler is prudent, and the good general should not be too hasty. Thus, the country is at peace, and an army is preserved.


Chapter 13. The Use of Spies 


War is very costly. It requires a lot of state resources, and it affects everybody’s wealth.


Sun Tzu says,


What enables the enlightened sovereign and the wise general to subdue and conquer heavenly feats beyond the reach of ordinary men is foreknowledge.
Now, this foreknowledge cannot be elicited from spirits, gods, past experience, or any calculation.
For knowledge can only be obtained from men who know the enemy's dispositions.

Military intelligence is an integral part of warfare. These men are your spies or informers.


Sun Tzu categorizes the use of spies comes into five classes

  1. Local Spies

  2. Inward Spies

  3. Converted Spies

  4. Doomed Spies

  5. Surviving Spies


  1. Local Spies: Local spies, native to the area of military operations, are invaluable for intelligence gathering due to their local knowledge of terrain, people, and customs. Their ability to blend in allows them to collect information on enemy movements, supply routes, and fortifications. This intelligence enables commanders to make informed decisions and exploit enemy weaknesses.


  2. Inward Spies: Inward spies infiltrate enemy ranks, often holding trusted positions to access critical information. They provide intelligence on enemy plans, morale, and logistics, potentially turning the tide of battle. Their effectiveness depends on maintaining cover and delivering accurate, timely information. This espionage demands skill and discretion, as exposure risks severe consequences.


  3. Converted Spies: Converted spies, once loyal to the enemy, switch sides due to disillusionment, coercion, or financial incentives. They provide valuable insider information and credibility within enemy circles, aiding intelligence gathering. However, their loyalty is uncertain, requiring careful management to prevent reverting to former allegiances.


  4. Doomed Spies: Doomed spies are sent on missions with a high likelihood of capture to spread misinformation. Their capture allows military leaders to manipulate enemy perceptions and decisions. Though risky, this strategy can create confusion and misdirection, benefiting the spy's home state.


  5. Surviving Spies: Surviving spies gather intelligence and return safely, providing crucial firsthand accounts of enemy movements, strategies, and vulnerabilities. Their information informs tactical decisions and strategic planning. Their effectiveness relies on training, experience, and inconspicuousness in hostile environments, making them vital to the military intelligence framework by bridging the battlefield and command leadership.


When employing spies, the ruler must be willing to pay and reward the spies.


The ruler and the general must have wisdom and knowledge when employing spies.


Lastly, Sun Tzu said,


Hence, only the enlightened ruler and the wise general will use espionage intelligence, thereby achieving great results. Spies are a vital element of war because only through them can an army operate.


Why is Sun Tzu's Art Of War the best-known military book? 


Sun Tzu comes from the noble class; he is a teacher, a scholar, a philosopher, and the greatest master of The Art Of War.


The Art Of War by Sun Tzu represents the cumulative personal knowledge, experience, and wisdom passed down to him by his family members, who consist of generals and high government officials serving the state of Qi.


Additionally, the State of Qi was established by Jiang Ziya, who served as the military advisor and teacher to King Wen and King Wu, aiding in overthrowing the Shang Dynasty and the founding of the Zhou Dynasty.


Sun Tzu benefits from the wisdom of the Art of War through the insights of those around him and the environment rich in historical and military strategic knowledge. This provides him with access to proven and tested wisdom.


Sun Tzu lived in the time of the "hundred schools of thought," where philosophies like Confucianism, Mohism, Taoism, Ying and Yang emerged.


Sun Tzu belonged to the School of the Military, a branch of the philosophical system known as the Hundred Schools of Thought (circa 500-221 BC).


There is no date when Sun Tzu wrote his military book. The historical ancient texts of Shi Ji state that Sun Tzu left his home in Qi state because of political unrest and moved to Wu state.


During this time, Sun Tzu authored the Art of War (Bingfa) and was later introduced to King Helü by Wu Zixu, a general of the Wu state.


King Helü, impressed by Sun Tzu's expertise in military strategy, appointed him as a general and later a commander-in-chief and advisor.


Sun Tzu's Art Of War book covers subjects other than military strategies, like the law of war, philosophy, strategic considerations, military intelligence, politics, leadership, management, and economics.





Mr. Art of War is the No.1 Sun Tzu Art of War site, a comprehensive and authoritative resource dedicated to exploring the profound insights of Sun Tzu's timeless treatise, "The Art of War."


This site covers all aspects of Sun Tzu's studies, philosophy, and teachings, providing visitors with an in-depth understanding of his strategic principles and their applications in various fields, including military strategy, business, leadership, and personal development.


Through detailed analyses, articles, and interpretations, we aim to make the rich heritage of Sun Tzu's wisdom accessible to everyone, from scholars and military professionals to business leaders and individuals seeking self-improvement.


Sun Tzu's Art of War is not merely a manual for military tactics; it is a profound work filled with wisdom that transcends its historical context.


Each chapter is laden with insights that offer multiple layers of meaning, encouraging readers to engage in thoughtful reflection and interpretation.


The text's abstract nature requires a deep and focused study to unlock the underlying significance of Sun Tzu's words.


His teachings emphasize the importance of strategic thinking, the value of adaptability, and the necessity of understanding both oneself and one's adversaries.


As readers delve into the intricacies of his philosophy, they will discover timeless principles that can be applied in a myriad of situations, making it essential for anyone looking to navigate the complexities of conflict and competition.


We invite you to join our Art of War program, a unique opportunity to immerse yourself in the wisdom of Sun Tzu.


Our program is designed to interpret the wise philosophy behind his words, providing the tools to apply these teachings in your own lives.


Through interactive workshops, in-depth discussions, and guided analyses, we explore the various dimensions of Sun Tzu's thought, helping you to cultivate a strategic mindset that is applicable in both personal and professional contexts.


Whether you are seeking to enhance your leadership skills, improve your decision-making abilities, or simply gain a deeper appreciation for this ancient wisdom, our program offers a supportive environment for exploration and growth.


You need a strategy to win.


In The Art Of War, Sun Tzu says,


To fight and conquer in all your battles is not supreme excellence; Supreme excellence is to subdue the enemy without fighting.

You do not need to fight; MrArtOfWar.com teaches you the strategy to win in life, career, and business.


Sun Tzu Art Of War Book Summary 13 Principles: review, quote and analysis of his philosophy on strategies, tactics and principles of war.

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