This planet is not terra firma. It is a delicate flower and it must be cared for. It's lonely. It's small. It's isolated, and there is no resupply. And we are mistreating it.

At no time, when the astronauts were in space were they alone, there was a constant surveillance by UFOs.

The flight experience itself is incredible. It's addictive. It's transcendent. It is a view of the grand plan of all things that is simply unforgettable.

I liked wrestling a lot better than boxing. I remember thinking at that time that wrestling was a pure demonstration of strength, which I was interested in, while boxing was just hitting somebody or getting hit, which didn't appeal to me. But a demonstration of strength was okay, so I chose wrestling.

Pioneering in space was something I would willingly give my life for.