"The problem with the world is that the intelligent people are full of doubts, while the stupid ones are full of confidence."

"I've never been able to get into science fiction as much as I'd like, because I find that most of it breaks the laws of physics."

"I don't care if people don't like me. I care if they're wrong."

"Intelligent design, as I understand it, means that you have an intelligent designer somewhere. And the problem with that is, if you’re going to invoke an intelligent designer, you have to ask, 'Who de…"

"My ideal day involves a lot of reading, a lot of thinking, and a lot of looking up at the stars."