The measure of success is not whether you have a tough problem to deal with, but whether it is the same problem you had last year.
Once - many, many years ago - I thought I made a wrong decision. Of course, it turned out that I had been right all along. But I was wrong to have thought that I was wrong.
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 world will never have lasting peace so long as men reserve for war the finest human qualities. Peace, no less than war, requires idealism and self-sacrifice and a righteous and dynamic faith.
Our capacity to retaliate must be, and is, massive in order to deter all forms of aggression.
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.
