The only thing necessary for the triumph of evil is for good men to do nothing.
War is mainly a catalogue of blunders.
Even the finest sword plunged into salt water will eventually rust.
It is only one who is thoroughly acquainted with the evils of warthat can thoroughly understand the profitable way of carrying it on.
The safest road to Hell is the gradual one - the gentle slope, soft underfoot, without sudden turnings, without milestones, without signposts.
Evil has no capital of its own. It is a parasite on goodness.
Brutality to an animal is cruelty to mankind - it is only the difference in the victim.
War is just when it is necessary; arms are permissible when there is no hope except in arms.
There is a road from the eye to the heart that does not go through the intellect.
It is forbidden to kill; therefore all murderers are punished unless they kill in large numbers and to the sound of trumpets.
When anger rises, think of the consequences.
It may be necessary to use methods other than constitutional ones.
War is an ugly thing, but not the ugliest of things. The decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth war is much worse.
No one can guarantee success in war, but only deserve it.
When there's a person, there's a problem. When there's no person, there's no problem
All the forces in the world are not so powerful as an idea whose time has come.
There is no instance of a nation benefiting from prolonged warfare
I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.
A conqueror is always a lover of peace.
Never think that war, no matter how necessary, nor how justified, is not a crime.
Never ascribe to malice that which can adequately be explained by incompetence.