"It was evening when we came to the river With a low moon over the desert that we had lost in the mountains, forgotten…"

"I can't think that it would be terrible of me to say — and it is occasionally true — that I need physics more than fr…"

"Everyone wants rather to be pleasing to women and that desire is not altogether, though it is very largely, a manifes…"

"I believe that through discipline, though not through discipline alone, we can achieve serenity, and a certain small …"

"It worked!"

"It is with appreciation and gratefulness that I accept from you this scroll for the Los Alamos Laboratory, and for th…"

"Despite the vision and farseeing wisdom of our wartime heads of state, the physicists have felt the peculiarly intima…"

"The extreme danger to mankind inherent in the proposal [to develop thermonuclear weapons] wholly outweighs any milita…"

"There must be no barriers to freedom of inquiry … There is no place for dogma in science. The scientist is free, and …"

"There are no secrets about the world of nature. There are secrets about the thoughts and intentions of men."