Nothing that I can do will change the structure of the universe. But maybe, by raising my voice I can help the greatest of all causes - goodwill among men and peace on earth.

On the big Bang theory: For every one billion particles of antimatter there were one billion and one particles of matter. And when the mutual annihilation was complete, one billionth remained - and that's our present universe.

I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.

Every kind of peaceful cooperation among men is primarily based on mutual trust and only secondarily on institutions such as courts of justice and police.

Generations to come will scarce believe that such a one as this walked the earth in flesh and blood.

Nothing happens until something moves.