"I'm not trying to be a superhero. I'm just trying to do what I think is right."

"The greatest danger is not that we aim too high and miss, but that we aim too low and hit."

"I think it's important to have a sense of urgency. The world is moving fast, and we need to keep up."

"My goal is to make humanity a multi-planetary species."

"I tend to be a little bit of an optimist, but I also tend to be a little bit of a realist."