"I can live with doubt and uncertainty and not knowing. I think it's much more interesting to live not knowing than to have answers which might be wrong."

"I was born with an ability to do mathematics, which is what they want in physics. I can think of problems and solve them. So what? I'm not very good at anything else. I can't dance, I can't sing, I ca…"

"I was always interested in things that are on the edge of what we know."

"I was at a party once, and some woman said to me, 'You're a scientist, you know all about radiation. How much radiation is in a banana?' I said, 'A banana has about 1/1000th of a milligram of radium i…"

"The world is a stage, but the play is badly cast."