"The universe is a strange and wonderful place, and we are only beginning to understand it."

"The universe is a vast and mysterious place, and we are just beginning to scratch the surface of its secrets."

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

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

"One might be led to question whether the scientists acted wisely in presenting the statesmen of the world with this appalling problem. Actually there was no choice. Once basic knowledge is acquired, a…"