"The atomic age has brought with it great challenges, but also great opportunities."

"Science is a way of thinking much more than it is a body of knowledge."

"Before the test, I was nervous and had a very bad night. But when I saw the explosion, I became very calm."

"I believe that science is the key to understanding the universe, and to solving the problems of humanity."

"It is not possible that such a small difference in the atomic weights of hydrogen and helium could have such tremendous consequences."