Thus the skilful general conducts his army just as though he were leading a single man, willy-nilly, by the hand.

Correct your mistake as soon as you have found it.

If you are far from the enemy, make him believe you are near.

There is no place where espionage is not possible.

The skilful employer of men will employ the wise man, the brave man, the covetous man, and the stupid man.

He who is prudent and lies in wait for an enemy who is not, will be victorious.

Know the enemy and know yourself.