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.

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.

Statistically it's a certainty there are hugely advanced civilizations, intelligences, life forms out there. I believe they're so advanced they're even doing interstellar travel. I believe it's possible they even came here.

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.

And so, I was not a military test pilot, but as soon as NASA expressed an interest in flying scientists and people who were not military test pilots, that was an epiphany that just came like a stroke of lightning.

I'm such a long-term investor, I've never really let go and celebrated what I did with the Hubble telescope.

The way you remember the past depends upon your hope for the future.