I am proud to be part of a species where a subset of its members willingly put their lives at risk to push the boundaries of our existence.

Would a NASA reality show "Lunar Shore" be more popular than "Jersey Shore?" Civilization's future depends on that answer.

There's the anti-intellectual movement in society and I don't blame them entirely for feeling that way because we all know people, I have many colleagues where you try to hang out with them and they make you feel bad for not knowing what they know. If that's how you interact with people, why would anyone want to be that.

If you look at Einstein's equations and put in low speeds and low gravity, they become Newton's equations.

When you innovate no one else can figure out how to do what you're doing because you're too far ahead of them. And the day they do figure out, you're on to the next object, the next widget, the next concept in innovation. And so America has benefited economically from the space race even though it was driven by military.

Astronauts are the only kind of celebrity I know who can have a line of people waiting for their autograph, even if the line of people does not know in advance the astronaut's name.

I'm not hard to find. I'm all over the Internet.