The enlightened ruler is heedful, and the good general full of caution.

They [spies] cannot be properly managed without benevolence and straightforwardness.

For them to perceive the advantage of defeating the enemy, they must also have their rewards.

When envoys are sent with compliments in their mouths, it is a sign that the enemy wishes for a truce.

You can prevent your opponent from defeating you through defense, but you cannot defeat him without taking the offensive.

In war, practice dissimulation and you will succeed.

Unless you enter the tiger's lair, you cannot get hold of the tiger's cub's.