War is just when it is necessary; arms are permissible when there is no hope except in arms.

Never forget that everything Hitler did in Germany was legal.

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.

I object to violence because when it appears to do good, the good is only temporary; the evil it does is permanent

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

Great is the guilt of an unnecessary war.

Ideas are far more powerful than guns. We don't let our people have guns. Why should we let them have ideas?

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

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

There is no safety for honest men except by believing all possible evil of evil men.

When the enemy is relaxed, make them toil. When full, starve them. When settled, make them move.

Never think that war, no matter how necessary, nor how justified, is not a crime.

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

The evils which sapped the nation's strength had all been wrought in the name of religion.

Everything in war is very simple. But the simplest thing is difficult.

Heaven cannot brook two suns, nor earth two masters.

How do you defeat terrorism? Don’t be terrorized.

Any alliance whose purpose is not the intention to wage war is senseless and useless.

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

Never ascribe to malice that which can adequately be explained by incompetence.

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