“Thus the expert in battle moves the enemy, and is not moved by him.”

If you know the enemy and know yourself, you need not fear the result of a hundred battles.

To know your enemy, you must become your enemy.

The art of war is of vital importance to the State.

Know thy self, know thy enemy. A thousand battles, a thousand victories.

All warfare is based on deception.

Let your plans be dark and impenetrable as night, and when you move, fall like a thunderbolt.

He will win who knows when to fight and when not to fight.

Appear weak when you are strong, and strong when you are weak.