The Art of War, Chapter 3 summary

What happens

1. Sun Tzŭ ranks preserving an enemy country and capturing its forces above destroying them.
2. He favors disrupting plans and separating allies over field battles, and describes the delays and losses caused by sieges.
3. He matches surrounding, attacking, dividing forces, avoiding battle, and fleeing to different balances of strength.
4. He explains how rulers damage armies through impossible orders, inappropriate civil methods, and poorly chosen appointments.
5. He lists five conditions for victory, including sound judgment, shared purpose, preparation, and freedom from interference.
6. He concludes that knowledge of both sides protects against defeat, while ignorance of both brings repeated losses.

In this chapter

What to notice

The closing warning makes knowledge of both sides essential. Numbers and determination cannot replace an accurate understanding of the situation.

Quick check