It is ten thousand times cheaper to pay the best spies lavishly than even a tiny army poorly.

As water has no constant form, there are in war no constant conditions.

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

The good fighter is able to secure himself against defeat, but cannot make certain of defeating the enemy.

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

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.

In war, practice dissimulation and you will succeed.