"I found myself in a situation where I was giving an answer to a question that I didn't understand, and that alarmed me."

"I just can't understand why people are so interested in what I do. It's just physics."

"I don't have to be a gentleman."

"You have no responsibility to live up to what other people think you ought to accomplish. I have no responsibility to be like what they expect me to be. It's their mistake, not my failing."

"I don't know anything, but I do know that everything is interesting if you look at it deeply enough."