"Mathematics, rightly viewed, possesses not only truth, but supreme beauty — a beauty cold and austere, like that of sculpture, without appeal to any part of our weaker nature, without the gorgeous tra…"

"The greatest happiness you can have is knowing that you do not need happiness."

"If a man is in doubt about his own salvation, the best thing for him to do is to stop thinking about it."

"The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt."

"It is possible that mankind is on the threshold of a golden age; but, if so, it will be necessary first to slay the dragon that guards the door, and this dragon is religion."