"I'm not saying that science has all the answers. I'm saying that science is the only way we're going to get answers."

"I don't care if people don't like me. I care if they're wrong."

"The universe is expanding. We are all expanding. Everything is expanding. What are you doing?"

"The universe is a hostile place. It will kill you if you're not careful."

"My goal is to empower people to use the methods and tools of science to analyze information and come to their own conclusions."