"It was a beautiful phenomenon, a terrifying spectacle, and a profound experience."

"I believe that the future of humanity depends on our ability to control the forces that we have unleashed."

"Never make anything more accurate than it needs to be."

"The atomic bomb is a testament to the power of human intellect, but it is also a warning about the dangers of human folly."

"My father used to say that the only way to learn something is to make mistakes, and then learn from them."