"When we were working on the atomic bomb, we knew that we were doing something that would change the world forever."

"We may be living in a world where the future is already written, but we still have the power to change it."

"It is much more important to be able to do something new than to be able to talk about it."

"The purpose of science is to make sense of the world, not to explain it away."

"We must always strive to use our knowledge for the betterment of humanity, and not for its destruction."