"Genius sees the answer before the question."

"The physicists have known sin; and this is a knowledge which they cannot lose. It is a knowledge which has changed them forever."

"No man should escape our universities without knowing how little he knows."

"There are children playing in the street who could solve some of my top problems in physics, because they have modes of sensory perception that I lost long ago."

"We are not here to curse the darkness, but to light the candle that can guide us through it."