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

"I'm not saying I'm Batman. I'm just saying no one has ever seen me and Batman in the same room."

"I'm not afraid of death. I'm afraid of dying without having lived a full life."

"I'm often asked if I believe in UFOs. I'm open to the possibility, but I need evidence. I need the aliens to land on the White House lawn, or at least in my backyard, and say hello."

"The most important thing about the scientific method is that it's self-correcting. You don't have to trust anyone. You can verify everything for yourself."