Disappointment, failure, and frustration are the main agents of change. Success is a poor teacher, for it usually only confirms us in what we thought we already knew.
- Kenneth Boulding
No one is so foolish as to prefer to peace, war, in which, instead of sons burying their fathers, fathers bury their sons.
Human beings feel dishonor the most, sometimes, when they most deserve it.
- Mark Twain
Whenever I hear any one arguing for slavery I feel a strong impulse to see it tried on him personally.
- Abraham Lincoln
If it were proved to me that in making war, my ideal had a chance of being realized, I would still say "No" to war. For one does not create human society on mounds of corpses.
- Louis Lecoin
Forgiveness does not change the past, but it does enlarge the future.
The cause of violence is not ignorance. It is self-interest. ... Only reverence can restrain violence -- reverence for human life and the environment.
- William Sloan Coffin, Jr.
A peace that comes from fear and not from the heart is the opposite of peace.
Aggressive conduct, if allowed to go unchecked and unchallenged, ultimately leads to war.
- John F. Kennedy
If there's this many hungry people there's really something wrong.
- Andy Warhol
Peace cannot be kept by force. It can only be achieved by understanding.
- Albert Einstein
The pacifist's task today is to find a method of helping and healing which provides a revolutionary constructive substitute for war.
- Vera Brittain
War is an invention of the human mind. The human mind can invent peace with justice.
- Norman Cousins
I refuse to accept the cynical notion that nation after nation must spiral down a militaristic stairway into the hell of nuclear destruction. I believe that unarmed truth and unconditional love will have the final word in reality.
- Martin Luther King, Jr.
I hate war as only a soldier who has lived it can, only as one who has seen its brutality, its futility, its stupidity.