If you know yourself but not the enemy, for every victory gained you will also suffer a defeat.

In all fighting, the direct method may be used for joining battle, but indirect methods will be needed in order to secure victory.

Success in warfare is gained by carefully accommodating ourselves to the enemy's purpose.

Throw your soldiers into positions whence there is no escape, and they will prefer death to flight. If they will face death, there is nothing they may not achieve.

Knowledge of the enemy's dispositions can only be obtained from other men.

When the soldiers stand leaning on their spears, they are faint from want of food.

A wise general makes a point of foraging of the enemy.