"I was talking to a guy who was a philosopher, and he said, 'But you're just describing the world, you're not explaining it.' And I said, 'Yeah, that's what science is. We describe it. We don't explain…"

"For a successful technology, reality must take precedence over public relations, for nature cannot be fooled."

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

"I'm smart enough to know that I'm dumb."

"I'm not a serious person. I'm just a serious scientist."