"We may be likened to two scorpions in a bottle, each capable of killing the other, but only at the risk of his own life."

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

"It is perfectly obvious that the whole world is going to hell. The only possible chance that it might not is that we do not attempt to prevent it from doing so."

"I think that we have made a very dangerous discovery, and that we have a very great responsibility."

"The experience of one's own country and of other countries, the experience of men and women, of cities and of the earth, is an experience which can only be had in freedom."