Supreme excellence consists in breaking the enemy's resistance with out fighting.
If you know the enemy and know yourself, you need not fear the result of a hundred battles.
Spies are the most important element in war, because upon them depends an army's ability to move.
All warfare is based on deception.
The general who wins a battle makes many calculations before the battle is fought.
There is no instance of a country having benefited from a prolonged war.
The clever combatant looks to the effect of combined energy, and does not require too much from individuals.
In war, the way is to avoid what is strong and to strike at what is weak.
When you surround an army, leave an outlet free. (So they can retreat).
Move not unless you see an advantage; use not your troops unless there is something to be gained, fight not unless the position is critical.