"I don't believe in the idea of a 'common man' or a 'common woman.' I believe in individual people."

"The thing about science is that it's all about discovery. It's all about trying to find out what's going on."

"You can know the name of a bird in all the languages of the world, but when you're finished, you'll know absolutely nothing whatever about the bird... So let's look at the bird and see what it's doing…"

"I would often go to these conferences where they would talk about the ultimate theory, and I would always say, 'What's the ultimate experiment?'"

"I'm not a genius. I'm just intensely curious."