"I think it's important to remind people that we are all made of stardust. We are all connected to the cosmos."

"I'm not a fan of people who say, 'I believe in science.' Science is not a belief system. Science is a method."

"The more I learn about the universe, the less convinced I am that there’s some sort of benevolent intelligence behind it."

"I'm a big proponent of space exploration, not just for scientific discovery, but for the inspiration it provides."

"My life goal is to be a source of wonder and curiosity for others. If I can achieve that, I've done my job."