Demoralize the enemy from within by surprise, terror, sabotage, assassination. This is the war of the future.

I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.

The central defect of evil is not sin but the refusal to acknowledge sin.

There is a road from the eye to the heart that does not go through the intellect.

The control of a large force is the same principle as the control of a few men: it is merely a question of dividing uptheir numbers.

Wanton killing of innocent civilians is terrorism, not a war against terrorism.

Know your enemy and know yourself and you will always be victorious

All warfare is based on deception.

It may be necessary to use methods other than constitutional ones.

Everyone’s worried about stopping terrorism. Well, there’s really an easy way: Stop participating in it.

A war between Europeans is a civil war.

I don't like war. I particularly don't like the celebration of war, which I think the administration is a little bit guilty of.

Heaven cannot brook two suns, nor earth two masters.

Always forgive your enemies; nothing annoys them so much.

No one can guarantee success in war, but only deserve it.

There are causes worth dying for, but none worth killing for.

It is forbidden to kill; therefore all murderers are punished unless they kill in large numbers and to the sound of trumpets.

Either war is obsolete, or men are.

Education is a weapon, whose effect depends on who holds it in his hands and at whom it is aimed.

Great is the guilt of an unnecessary war.

An eye for an eye will only make the whole world blind.