Passage 12-2
行火必有因, 煙火必素具. 發火有時, 起火有日. 時者, 天之燥也. 日者, 月在箕壁翼軫也. 凡此四宿者, 風起之日也.
Fire attacks require conditions and materials prepared in advance. There are proper times and days to launch fire. The time is when weather is dry. The days are when the moon passes through the constellations Ji, Bi, Yi, and Zhen—days when wind rises.
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These passages from other chapters connect to the themes in Passage 12-2:
The Five Fundamental Factors
Passage 1-2
故經之以五事, 校之以計, 而索其情. 一曰道, 二曰天, ...
Heaven (天)
Passage 1-4
天者, 陰陽, 寒暑, 時制也.
Assessing Advantage
Passage 1-9
故校之以七計, 而塞其情. 曰: 主孰有道, 將孰有能, 天...
Striking the Empty
Passage 5-3
故善出奇者, 無窮如天地, 不竭如江河, 終而復始, 日月是...
Proportional Response
Passage 3-8
必以全爭於天下, 故兵不頓而利可全, 此謀攻之法也.
Making Victory Inevitable
Passage 4-4
善守者, 藏於九地之下; 善攻者, 動於九天之上, 故能自保...