If those who are sent to draw water begin by drinking themselves, the army is suffering from thirst.

The general who wins a battle makes many calculations in his temple ere the battle is fought. The general who loses a battle makes but few calculations beforehand. Thus do many calculations lead to victory, and few calculations to defeat: how much more no calculation at all! It is by attention to this point that I can foresee who is likely to win or lose.

It is the business of a general to be serene and inscrutable, impartial and self-controlled.

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

First learn to become invincible, then wait for your enemy's moment of vulnerability.

The natural formation of the country is the soldier's best ally

Those who excel in war first cultivate their own humanity and and maintain their laws and institutions. By these means they make their governments invincible.