Chapter 03
Attack by Stratagem
ATTACK BY STRATAGEM 1. Sun Tzŭ 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 capture an army entire than to destroy it, to capture a regiment, a detachment or a company entire than to destroy them. [The equivalent to an army corps, according to Ssu-ma Fa, consisted nominally of 12500 men; according to Ts’ao Kung, the equivalent of a regiment contained 500 men, the equivalent to a detachment consists from any number…
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Key Quotes & Analysis
"supreme excellence consists in breaking the enemy’s resistance without fighting."
Context: Sun Tzu's central definition of the highest form of victory
Fighting and conquering in every battle is not supreme excellence. The master strategist breaks resistance before blades cross, through positioning, timing, and pressure that makes conflict unnecessary.
In Today's Words:
Supreme excellence is breaking the other side's resistance without fighting, Sun Tzu says, not winning every battle you enter. In a negotiation, product launch, or turf war, that might mean building a position so strong that rivals abandon the segment before you spend on a price war or public fight.
"the worst policy of all is to besiege walled cities."
Context: Ranking strategic options after attacking plans, alliances, and armies in the field
Siege sits at the bottom of Sun Tzu's hierarchy because it is slow, costly, and often fails. A general who loses patience may lose a third of his men while the town remains untaken.
In Today's Words:
Besieging walled cities is the worst policy because it burns time, money, and morale while the target may never fall. That maps to prolonged legal fights, endless feature parity wars, or grinding sieges on a single account: the kind of competition where even the attacker ends up depleted and exposed.
"Therefore the skilful leader subdues the enemy’s troops without any fighting;"
Context: Summarizing what attack by stratagem looks like in practice
The skilful leader captures cities without siege and overthrows kingdoms without lengthy field operations. Force stays intact while the outcome is already decided.
In Today's Words:
The skilful leader subdues troops without fighting by making direct assault unnecessary: capture the position intact, not the wreckage left behind. Think of winning a client through ecosystem lock-in, owning the market standard, or landing a key hire through mission and timing before anyone opens a costly public bidding war.
"If you know the enemy and know yourself, you need not fear the result of a hundred battles."
Context: Closing counsel on the five essentials for victory and self-knowledge
Sun Tzu closes with a conditional ladder: know both and you need not fear; know only yourself and wins alternate with losses; know neither and you succumb every time.
In Today's Words:
Know the enemy and know yourself, Sun Tzu closes, and you need not fear a hundred battles because uncertainty is what kills you. Before a reorg, pitch, or promotion fight, write what they need, what you actually bring, and where you are blind; half-knowledge turns every win into a coin flip.
Thematic Threads
Strategy
In This Chapter
True strategy is about winning without fighting
Development
This principle underlies all subsequent tactical advice
In Your Life:
What fights are you in that could be won through positioning instead?
Wisdom
In This Chapter
'Know yourself and know the enemy' as the foundation of strategic certainty
Development
Self-knowledge and opponent-knowledge remove uncertainty from outcomes
In Your Life:
How well do you really know your competition—and yourself?
You now have the context. Time to form your own thoughts.
Discussion Questions
This is not a test. Five prompts guide you through the chapter, from how it opens to how it closes, so you notice context and rhythm rather than facts to memorize. Sit with each question in your own words. When you see "One way to read it," treat it as a starting point, not the only answer.
- 1
What is Sun Tzu's hierarchy of strategic approaches in Chapter III?
analysis • surfaceOne way to read it
Attack strategy first, then alliances, then the army, with siege warfare as the worst option.
- 2
What does 'supreme excellence consists in breaking the enemy's resistance without fighting' imply?
analysis • mediumOne way to read it
Win through positioning, timing, and psychology so the opponent yields before costly direct combat.
- 3
How would 'attacking the enemy's strategy' look in a business rivalry?
application • mediumOne way to read it
Launch first, change the category, or make their planned move irrelevant before they execute it.
- 4
Why does Sun Tzu pair knowing yourself with knowing the enemy?
analysis • deepOne way to read it
Accurate comparison removes delusion; you see where you are strong, where you are exposed, and whether engagement is rational.
- 5
When have you won or lost by fighting on the wrong level of the hierarchy?
reflection • deepOne way to read it
Examples include price wars when brand trust was the real battlefield, or legal fights when market timing mattered more.
Critical Thinking Exercise
The Strategic Hierarchy
Take a competitive challenge you're facing and map all four levels of Sun Tzu's approach.
Consider:
- •Level 1 (Attack Strategy): How could you make their plans irrelevant before they execute?
- •Level 2 (Attack Alliances): How could you isolate them or build coalitions they can't match?
- •Level 3 (Direct Competition): If you must fight directly, what are the costs and risks?
- •Level 4 (Siege): What would an expensive, prolonged battle look like? Why avoid it?
Journaling Prompt
Describe a fight you could avoid entirely through better positioning. What would it take to win without fighting?
Coming Up Next...
Chapter 4: Tactical Dispositions
Chapter IV teaches defense before offense: make yourself undefeatable, then wait for the enemy to offer a defeatable moment. Victory begins with position, not aggression.
