"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.'"

"The universe is not just out there. It's in here."

"Intelligent design, as I understand it, means that you have an intelligent designer somewhere. And the problem with that is, if you’re going to invoke an intelligent designer, you have to ask, 'Who de…"

"Imagine a world where people are judged not by the color of their skin, but by the content of their character, and where the content of their character is measured by how much science they know."

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