To understand recursion, one must first understand recursion.

To confine our attention to terrestrial matters would be to limit the human spirit.

When I hear of Schrödinger's cat, I reach for my pistol.

If it [the universe] was expanding fairly slowly, the force of gravity would cause it eventually to stop expanding and then to start contracting. However, if it was expanding at more than a certain critical rate, gravity would never be strong enough to stop it, and the universe would continue to expand forever.

I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first.

So Einstein was wrong when he said, "God does not play dice." Consideration of black holes suggests, not only that God does play dice, but that he sometimes confuses us by throwing them where they can't be seen.

I don't know what my IQ is. People who gloat about their IQ's are losers