"We have to learn to live with the uncertainty and the ambiguity of the atomic age."

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

"The atomic bomb is a terrible weapon. But it is also a symbol of hope."

"There must be no barriers for freedom of inquiry... There is no place for dogma in science."

"I am a physicist. I am not a philosopher. I am not a theologian. I am a physicist. And I have done my job."