Unless you enter the tiger's lair, you cannot get hold of the tiger's cub's.
Victorious warriors win first and then go to war, while defeated warriors go to war first and then seek to win.
The peak efficiency of knowledge and strategy is to make conflict unnecessary.
Without local guides, your enemy employs the land as a weapon against you.
There is no instance of a nation benefiting from prolonged warfare.
Now this foreknowledge cannot be elicited from spirits; it cannot be obtained inductively from experience, nor by any deductive calculation.