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Chapter 11 · 1 min · from The Art of War

The Nine Situations

Chapter summary from The Art of War by Sun Tzu.

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The chapter classifies nine types of situational ground — dispersive, facile, contentious, open, ground of intersecting highways, serious, difficult, hemmed-in, desperate — each with different rules for what an army should do.

The chapter's deepest claim is psychological. When troops are surrounded, with no hope of retreat, they will fight with the courage of despair. The general who positions his army such that there is no path back will produce soldiers who must win. Cut off return; remove the option of fleeing; the army that has lost the alternative finds the strength.

This is the principle of burning the boats, attributed to many commanders across history. Remove the easy exit; the people in the situation will rise to it. Provide the easy exit; they will take it.

The wider lesson, with the obvious ethical caveat: people perform near the level of the alternatives available to them. A team with no plan B will outwork a team that knows it can quit. A founder with savings to fall back on builds differently than a founder who must succeed. The strategist who structures his own life with limited alternatives discovers what he is capable of.

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