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

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.

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.

I have a great relationship with animals, and with children. I get to their level. I try to see the way a child looks at the world, it's hugely different.

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.

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.

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