"Genius sees the answer before the question."

"We have to learn to live with the knowledge that we have changed the world forever, and that we can never go back."

"We have created a monster."

"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."

"In the spring of 1929, I returned to the United States. I was homesick for this country. I had learned in my student days a great deal about the new physics. I wanted to pursue this myself, to explain…"