It is humanity's destiny to explore the universe. When we start thinking and working on that cosmic level, we will transcend our parochial differences and tribal natures and become global creatures, solar system creatures. Then we will figure out where we fit in.

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.

Hubble touches people. When you're looking that far out, you're giving people their place in the universe, it touches people. Science is often visual, so it doesn't need translation. It's like poetry, it touches you.

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

I came from an extraordinarily dysfunctional family, full of abuse and alcoholism. And eventually everyone within the family had committed suicide.

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.

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.