"I don't want to live in a world where people don't understand science. That's a world of darkness."

"My brain is too big for my head. I have to wear a special hat."

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

"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'm often asked whether I believe in God. I'm an agnostic."