"When you see something that is technically sweet, you go ahead and do it and you argue about what to do about it only after you have had your technical success. That is the way it was with the atomic …"

"I believe that in the long run, the only way we can survive is to make the world safe for peace."

"In some sort of crude sense which no vulgarity, no humor, no overstatement can quite extinguish, the physicists have known sin."

"The atomic bomb is a reminder that we are all connected, and that we all share a common destiny."

"The experience of the war has made it clear that the future of civilization depends on the development of a world community."