"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 …"

"The atomic bomb is a terrible thing, but it is also a beautiful thing."

"The scientist is a man who knows how to make things, but he does not know how to live."

"There are no experts in this world, only people who know more than others on specific subjects."

"We have to find a way to build a better world, a world where the atomic bomb is no longer a threat."