"I hope it works."

"Young man, if I could remember the names of these [muons, pions, etc.] particles, I would have been a botanist."

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

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

"Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level."