King's Kung-Fu& Tai Chi

Art of War 13.24

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

因是而知之故生間有使如期

Lastly, it is by his information that the surviving spy can be used on appointed occasions.

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

Lionel Giles's notes

Capt. Calthrop omits this sentence.

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Passages with shared wording

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

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