Mankind will never win lasting peace so long as men use their full resources only in tasks of war. While we are yet at peace, let us mobilize the potentialities, particularly the moral and spiritual potentialities, which we usually reserve for war.

The United Nations was not set up to be a reformatory. It was assumed that you would be good before you got in and not that being in would make you good

There are plenty of problems in the world, many of them interconnected. But there is no problem which compares with this central, universal problem of saving the human race from extinction

The ability to get to the verge without getting into the war is the necessary art. If you try to run away from it, if you are scared to go to the brink, you are lost

A capacity to change is indispensable. Equally indispensable is the capacity to hold fast to that which is good.

A peaceful world is a world in which differences are tolerated, and are not eliminated by violence.

If you are scared to go to the brink, you are lost.