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.

I wouldn't attach too much importance to these student riots. I remember when I was a student at the Sorbonne in Paris, I used to go out and riot occasionally.

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.