I knew I belonged to the public and to the world, not because I was talented or even beautiful, but because I had never belonged to anything or anyone else.

Man, alone, has the power to transform his thoughts into physical reality; man, alone, can dream and make his dreams come true.

I'm not as famous as Stephen Hawking, but certainly in the U.S., I have a very high profile for a scientist. It is an awesome responsibility, one that I don't shoulder lightly.

I would have written of me on my stone: I had a lover's quarrel with the world.

I'm a practical person. I'm not too bad a carpenter. I can renovate houses.