King's Kung-Fu& Tai Chi

Art of War 1.7

The Art of War (孫子兵法), Laying Plans 計篇

天者陰陽寒暑時制也

Heaven signifies night and day, cold and heat, times and seasons.

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

Lionel Giles's notes

The commentators, I think, make an unnecessary mystery of 陰陽. Thus Mêng Shih defines the words as 剛柔盈縮 “the hard and the soft, waxing and waning,” which does not help us much. Wang Hsi, however, may be right in saying that what is meant is 總天道 “the general economy of Heaven,” including the five elements, the four seasons, wind and clouds, and other phenomena.

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