There was never a good war, or a bad peace.
At the bottom of all patriotism there is war: that is why I am no patriot.
War is sweet to those who have no experience of it, but the experienced man trembles exceedingly at heart on its approach.
Whatever makes for cultural development is working also against war.
War is not an adventure. It is a disease. It is like typhus.
War is an evil which dishonours mankind.
In time of war the laws are silent.
Men, for years now, have been talking about war and peace. But now, no longer can they just talk about it. It is no longer a choice between violence and nonviolence in this world; it's nonviolence or nonexistence.
The essential job is to get people to recognise war propaganda when they see it, especially when it is disguised as peace propaganda.
Those who love peace must learn to organize as effectively as those who love war.
War against a foreign country only happens when the moneyed classes think they are going to profit from it.
War will disappear only when men shall take no part whatever in violence and shall be ready to suffer every persecution that their abstention will bring them. It is the only way to abolish war.
War on the other hand is such a terrible thing, that no man, especially a Christian man, has the right to assume the responsibility of starting it.
War does not determine who is right - only who is left.
In war, you can only be killed once, but in politics, many times.
Those who can win a war well can rarely make a good peace and those who could make a good peace would never have won the war.
We can best help you to prevent war not by repeating your words and following your methods but by finding new words and creating new methods.
In war, events of importance are the result of trivial causes.
Fortune, which has a great deal of power in other matters but especially in war, can bring about great changes in a situation through very slight forces.
Peace is not only better than war, but infinitely more arduous.
Peace is the virtue of civilization. War is its crime.
War is not the continuation of politics with different means, it is the greatest mass-crime perpetrated on the community of man.
For peace is not mere absence of war, but is a virtue that springs from, a state of mind, a disposition for benevolence, confidence, justice.
War: a massacre of people who don't know each other for the profit of people who know each other but don't massacre each other.
War is organized murder and torture against our brothers.
There are two problems for our species' survival - nuclear war and environmental catastrophe - and we're hurtling towards them. Knowingly.
Never think that war, no matter how necessary, nor how justified, is not a crime.
There are two things which a democratic people will always find very difficult - to begin a war and to end it.