"I'm an agnostic. I'm not an atheist, because I don't know enough to be an atheist."

"The more you know about the universe, the less you can believe in God."

"I think the greatest gift you can give someone is the gift of knowledge."

"If you're not amazed by the universe, you're not paying attention."

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