I work for perfection, for perfection's sake. I don't care what the external reasons are. And it's much more like a ballerina on opening night. You've done what you've got to do. When you go out, the purpose is to turn a perfect turn. You are not thinking about the future of the company, you are not thinking about your future, you're not thinking about the critics, it is you and the perfect turn.

Most of our history in space has been communicated in terms of action - what people do, a chronological list of events which have transpired - as opposed to the human experience of having done those things.

That I learned even as a three year-old that I see this world that is really a mess and I learned to say, this is not me. I am not the one that is messed up. It is out there.

Their spirituality was in nature, even though Emerson was a preacher on the pulpit, he ended up going out into nature for direct, face-to-face communication with God, if you want to call all of this creation part of God.

Getting out of the comfortable path, that's what exploration is all about.

I’m not a risk taker. But astronauts are professionals, so you get out on the field and play ball. I tried to take it in stride because that’s what I had to do to get into space. That’s where I belong, and I’m pretty good at it.

The way you remember the past depends upon your hope for the future. And if what you see in your future has no hope, it has no potential, then you view the past that brought you to here as not very good.