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 is the only creature that refuses to be what he is.

I've never rejected the world I came from. To be rejected by it is horrible.

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.

Any passion to collect has some meaning behind it.