[Tu Mu says: "We must make calculations as to the paths of the stars, … — The Art of War
SAPIR 861
[Tu Mu says: "We must make calculations as to the paths of the stars, and watch for the days on which wind will rise, before making our attack with fire." Chang Yu seems to interpret the text differently: "We must not only know how to assail our opponents with fire, but also be on our guard against similar attacks from them."]
Open Scriptures Hebrew Bible (WLC), CC BY 4.0