"I often wonder if there are aliens out there who are watching us, and they're just shaking their heads, like, 'Look at these primitive beings, still fighting over land and resources.'"

"I don't have a problem with people believing in God. I have a problem with people who believe in God and use that as an excuse to be ignorant."

"If you're religious, and you have some sort of revelation that makes you think something is true, that's not science. That's belief."

"Science is not just a collection of facts, but a way of thinking."

"The most important thing about science is that it's self-correcting. Religion is not."