The clever combatant looks to the effect of combined energy, and does not require too much from individuals. Hence his ability to pick out the right men and utilize combined energy

Probe him and learn where his strength is abundant and where deficient.

Attack like the Fire and be still as the Mountain

The skilful employer of men will employ the wise man, the brave man, the covetous man, and the stupid man.

Thus the skilful general conducts his army just as though he were leading a single man, willy-nilly, by the hand.

The greatest victory is that which requires no battle.

The skillful tactician may be likened to the shuai-jan. Now the shuai-jan is a snake that is found in the Ch'ang mountains. Strike at its head, and you will be attacked by its tail; strike at its tail, and you will be attacked by its head; strike at its middle, and you will be attacked by head and tail both.