When you are ignorant of the enemy but know yourself, your chances of winning or losing are equal.

These are six ways of courting defeat, which must be carefully noted by the general who has attained a responsible post.

Great results, can be achieved with small forces.

Do not swallow bait offered by the enemy. Do not interfere with an army that is returning home.

The dance of battle is always played to the same impatient rhythm. What begins in a surge of violent motion is always reduced to the perfectly still.

Factors in the art of warfare are: First, calculations; second, quantities; third, logistics; fourth, the balance of power; and fifth, the possibility of victory is based on the balance of power.

Where the army is, prices are high; when prices rise the wealth of the people is exhausted.