He who is not sage and wise, humane and just, cannot use secret agent.s. And he who is not delicate and subtle cannot get the truth out of them.

He who knows things, and in fighting puts his knowledge into practice, will win his battles. He who knows them not, nor practices them, will surely be defeated.

Attack the enemy's strategy.

Invincibility depends on one's self; the enemy's vulnerability on him.

The best victory is when the opponent surrenders of its own accord before there are any actual hostilities...It is best to win without fighting.

Use humility to make the enemy haughty. Tire them by flight. Cause division among them. When they are unprepared, attack and make your move when they do not expect it.

To conquer the enemy without resorting to war is the most desirable. The highest form of generalship is to conquer the enemy by strategy.