"By the way, Professor, you know that paper in which you say those quantities are analogous... Did you know they're proportional?"

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

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

"The age of ignorance is past. The age of reason is here. And it will be a glorious age, if we but choose to make it so."

"If you're going to be a scientist, you don't need to be a genius. You just need to be able to work hard and be curious."