"The most important thing is to never stop asking questions."

"I'm not a fan of people who try to cram their beliefs down your throat. I prefer to share information, and let people make up their own minds."

"The universe is not just big. It's vast."

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

"The claim that the universe was made for us is a human vanity."