Don't flail against the world, use it. Flexibility is the operative principle in the art of war.

the leader of armies is the arbiter of the people's fate, the man on whom it depends whether the nation shall be in peace or in peril.

Humble words and increased preparations are signs that the enemy is about to advance. Violent language and driving forward as if to the attack are signs that he will retreat.

Rapidity is the essence of war.

Rapidity is the essence of war: take advantage of the enemy's unreadiness, make your way by unexpected routes, and attack unguarded spots.

A battle avoided cannot be lost.

It is only one who is thoroughly acquainted with the evils of war that can thoroughly understand the profitable way of carrying it on.