If you fight with all your might, there is a chance of life; where as death is certain if you cling to your corner

There are roads which must not be followed, armies which must not be attacked, towns which must not be besieged, positions which must not be contested, commands of the sovereign which must not be obeyed.

So the important thing in a military operation is victory, not persistence.

Of all rewards none [is] more liberal than those given to secret agents.

The consummate leader cultivates the moral law, and strictly adheres to method and discipline; thus it is in his power to control success.

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.

When torrential water tosses boulders, it is because of its momentum. When the strike of a hawk breaks the body of its prey, it is because of timing.