No nation has ever benefited from a prolonged war.
Rewards for good service should not be deferred a single day.
Subtle and insubstantial, the expert leaves no trace; divinely mysterious, he is inaudible. Thus he is master of his enemy's fate.
Build your opponent a golden bridge to retreat across.
Appear at points which the enemy must hasten to defend; march swiftly to places where you are not expected.
Know the enemy and know yourself; in a hundred battles you will never peril.