“Famous is celebrityism, and I don't want that... I know that I'm not that. Everybody knows who you are. I can't imagine living that life, but I don't think I consider myself famous.”

“My mother gave me a sense of independence, a sense of total confidence that we could do whatever it was we set out to do. That's how we were raised.”

“Learning what you don't want is how you know what you do want.”

“If you're happy, if you're feeling good, then nothing else matters.”

“I eat at In-N-Out Burger every chance I get.”

“When I had money in the past, I would always travel rather than spend it on big apartments or cars. And I still feel exactly the same way.”

“I can accept failure, everyone fails at something. But I can't accept not trying.”

“I was trying to be this person who is cool, eternally rocking.”

“That's what we want to do here at Johnson Space Center. I think what we have always brought to NASA and brought to the country is trying to push the boundaries, trying to go to the next level.”

“I'm gluten intolerant, so that automatically cuts carbs from my diet.”