"For me, I am driven by two main philosophies: know more today about the world than I knew yesterday and lessen the suffering of others. You'd be surprised how far you can get with those two."

"I'm not saying there's no God. I'm saying if there is a God, he's an absentee landlord."

"If you want to make an apple pie from scratch, you must first invent the universe."

"The great thing about science is that it's a self-correcting enterprise. It doesn't care about your feelings."

"Knowing what's true is not the same as knowing what's right."