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.

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

If we wish to fight, the enemy can be forced to an engagement even though he be sheltered behind a high rampart and a deep ditch. All we need do is attack some other place that he will be obliged to relieve.

For the wise man delights in establishing his merit, the brave man likes to show his courage in action, the covetous man is quick at seizing advantages, and the stupid man has no fear of death.

Keep their friends close and their enemies closer.

Appear weak when you are strong, and strong when you are weak.

Swift as the wind. Quiet as the forest. Conquer like the fire. Steady as the mountain