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

"I'm a scientist. I don't believe in anything. I just believe in evidence."

"My goal is to get people to think — to understand that the universe is larger than them and their problems."

"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."

"I think the greatest gift you can give someone is the gift of knowledge."