The more we realize our minuteness and our impotence in the face of cosmic forces, the more astonishing becomes what human beings have achieved.

The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.

I don't believe in ghosts, but I see them all the time.

I'm not afraid of the dark; I'm afraid of what's in it.

If you want to be the best, you have to do things that other people aren't willing to do.