"If you're scientifically illiterate, you're a danger to yourself and society."

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

"The best thing about being a scientist is that you get to ask 'why?' all the time."

"I think it's important to have a sense of humor about the universe. It's a pretty absurd place, after all."

"I'm not saying there are no aliens. I'm just saying the evidence is insufficient for me to conclude it."