He who wishes to fight must first count the cost

If there is disturbance in the camp, the general's authority is weak. If the banners and flags are shifted about, sedition is afoot. If the officers are angry, it means that the men are weary.

The clever combatant looks to the effect of combined energy, and does not require too much from individuals. Hence his ability to pick out the right men and utilize combined energy

The control of large numbers is possible, and like unto that of small numbers, if we subdivide them.

The general who wins the battle makes many calculations in his temple before the battle is fought. The general who loses makes but few calculations beforehand.

No nation has ever benefited from a prolonged war.

Plan for what is difficult while it is easy, do what is great while it is small.