If I am able to determine the enemy's dispositions while at the same time I conceal my own, then I can concentrate and he must divide.

If a battle can not be won do not fight it.

Attack like the Fire and be still as the Mountain

Go into emptiness, strike voids, bypass what he defends hit him where he does not expect you.

When you shoot a bow and arrow, you aim at the clouds, not because you expect to hit them, but so that you may reach the distant target on the ground.

A sovereign of high character and intelligence must be able to know the right man, should place the responsibility on him, and expect results.

The relative size of your force as against that of your adversary is by itself of no consequence. What controls is the relative size of your force at the point where you join in battle. You can strike with the few and be many if you strike your adversary in his gaps. Seek out places where the defense is not strict, the place not tightly guarded, the generals weak, the troops disorderly, the supplies are scarce and the forces are isolated.