"The universe is not a toy. It's a laboratory."

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

"I'm not saying that science has all the answers. I'm saying that science is the only way we're going to get answers."

"We are biologically wired to be curious."

"You know, the universe is a pretty big place. It's much bigger than people realize. And sometimes, you just gotta look up."