King's Kung-Fu& Tai Chi

Art of War 13.7

The Art of War (孫子兵法), The Use Of Spies 用間篇

故用間有五有鄉間有內間有反間有死間有生間

Hence the use of spies, of whom there are five classes: (1) Local spies; (2) inward spies; (3) converted spies; (4) doomed spies; (5) surviving spies.

Lionel Giles (1910), Sun Tzŭ on the Art of War (1910), with Giles' notes — public domain.

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Data: English Wikisource (Public domain texts; transcription CC BY-SA 4.0). Retrieved 2026-10-22.

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