[Chang Yu said: "Knowing the enemy enables you to take the offensive, knowing yourself enables you to stand on the defensive." He adds: "Attack is the secret of defense; defense is the planning of an attack." It would be hard to find a better epitome of the root-principle of war.]
Endroit: ¶290 Licence: Public domain · Source Le texte est donné tel que dans l'édition, sans retouche.