We have long possessed the art of war and the science of war, which have been evolved in the minutest detail.

To use the enemy's weapon is to play the enemy's game...speak the truth and hear the truth.

… to a Prince who wants to do great things, it is necessary to learn to deceive.

he who knows when he can fight and when he cannot , will be victorious .

Waging war we understand, but not waging peace, or at any rate less consciously so.

On the other hand, the waging of peace as a science, as an art, is in its infancy. But we can trace its growth, its steady progress, and the time will come when there will be particular individuals designated to assume responsibility for and leadership of this movement.