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

It is very queer that the unhappiness of the world is so often brought on by small men.

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

Either war is obsolete, or men are.

All warfare is based on deception.

Brutality to an animal is cruelty to mankind - it is only the difference in the victim.

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.

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

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

All the forces in the world are not so powerful as an idea whose time has come.

War is over ... If you want it.

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

A war between Europeans is a civil war.

From the happy expression on their faces you might have supposed that they welcomed the war. I have met with men who loved stamps, and stones, and snakes, but I could not imagine any man loving war.

Those who play with the devil's toys will be brought by degrees to wield his sword.

Do not let us speak of darker days; let us speak rather of sterner days. These are not dark days: these are great days - the greatest days our country has ever lived.

Civil war? What does that mean? Is there any foreign war? Isn't every war fought between men, between brothers?

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

A person may cause evil to others not only by his actions but by his inaction, and in either case he is justly accountable to them for the injury.

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

Occasionally the tree of Liberty must be watered with the blood of Patriots and Tyrants.