All warfare is based on deception. Hence, when able to attack, we must seem unable; when using our forces, we must seem inactive; when we are near, we must make the enemy believe we are far away; when far away, we must make him believe we are near.

One who speaks deferentially but increases his preparations will advance. One who speaks belligerently and advances hastily will retreat.

The peak efficiency of knowledge and strategy is to make conflict unnecessary.

The good fighter is able to secure himself against defeat, but cannot make certain of defeating the enemy.

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

Sweat more during peace: bleed less during war

Victory comes from finding opportunities in problems.