If a general shows confidence in his men but always insists on his orders being obeyed, the gain will be mutual.

Attack where he is unprepared; sally forth when he does not expect you.

Appear at points which the enemy must hasten to defend; march swiftly to places where you are not expected.

Of old the expert in battle would first make himself invincible and then wait for his enemy to expose his vulnerability.

There is no place where espionage is not possible.

Unless you enter the tiger's lair, you cannot get hold of the tiger's cub's.

Someone unfamiliar with the mountains and forests cannot advance [the team]. One who does not employ local guides cannot gain the advantage.