Robert Oppenheimer — "The atomic bomb is not a weapon to be used lightly."

"The atomic bomb made the prospect of future war unendurable. It has led us up to the top of the mountain. We can see the promised land, but how to get there we do not know."

"I had had a continuing smoldering fury about the treatment of Jews in Germany."

"My childhood did not prepare me for the fact that the world is full of cruel and bitter things."

"The atomic bomb is a testament to the fact that human beings are capable of both great good and great evil."

"The great thing about science is that it is a way of life that teaches you that you are wrong."