The skilful employer of men will employ the wise man, the brave man, the covetous man, and the stupid man.

If the enemy opens the door, you must race in.

Whoever is the first in the field and awaits the coming of the enemy will be fresh for the fight... Therefore the clever combatant imposes his will on the enemy... By holding out advantages to him, he can cause the enemy to approach of his own accord; or by inflicting damage, he can make it impossible for the enemy to draw near.

When the general is weak and without authority; when his orders are not clear and distinct; when there are no fixed duties assigned to officers and men, and the ranks are formed in a slovenly haphazard manner, the result is utter disorganization.

It is essential to seek out enemy agents who have come to conduct espionage against you and to bribe them to serve you. Give them instructions and care for them. Thus doubled agents are recruited and used.

It is more important to outhink your enemy, than to outfight him

Amid the turmoil and tumult of battle, there may be seeming disorder and yet no real disorder at all.