"The universe is a place of wonder. And we are all part of that wonder."

"I think the best way to learn is to teach."

"If you are a scientist, you are a scientist. You don't have to be a 'black scientist' or a 'woman scientist.'"

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

"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."