I'm proud of the U.S.A. We've done some amazing things. To wear our flag in the Olympics is an honor.
I always tell people that our sports aren't that dangerous.
It's amazing that something only an atom thick can be an impenetrable...
The world of science and the world of literature have much in common. Each is an international club helping to tie mankind together across barriers of nationality race and language. I have been doubly lucky being accepted as a member of both.
