"If I had to choose between the two evils, I would rather have a world with no nuclear weapons than a world with nuclear weapons."

"In some sort of crude sense which no vulgarity, no humor, no overstatement can quite extinguish, the physicists have known sin; and this is a knowledge which they cannot lose."

"The atomic bomb is a terrible weapon. It is a weapon that can bring about the destruction of civilization. And it is a weapon that must be controlled."

"If you are a scientist, you believe that it is good to find out how the world works; that it is good to find out what the realities are; that it is good to turn over to mankind at large the greatest p…"

"The greatest discovery is to find oneself."