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

"I often think about how small we are in the grand scheme of things, and it makes me feel both humbled and empowered."

"There are no bad ideas in science, just bad experiments."

"No offense to anyone, but if you're an adult and you're still believing in Santa Claus, I'm concerned for you."

"If aliens ever visit us, I think the outcome would be much as when Columbus landed in America, which didn't turn out very well for the Native Americans."