I grew up in a country that I thought was special. And it was.

I expected the unexpected and went [on the Moon] with an open mind. I think the visual scene was described by my words on first landing - "magnificent desolation." Magnificent for the achievement of being there, and desolate for the eons of lifelessness.

There's no doubt that there will be many trials and tribulations along the way in taming space for the benefit of all, unmasking its truths and using the boundless resources available to us. Taking a chance allows us to seek new horizons -- and we all benefit from being horizon hunters.

Only a large-volume market like space travel can attack the barrier of high costs.

America's can-do spirit cast a warm glow across nations and cultures, generating more goodwill and support for our country's ideals and causes than had otherwise been possible.

We need to have people up there who can communicate what it feels like, not just pilots and engineers.

Monumental achievements by humanity should be done by major organizations as much together as possible.