Space is not just going up and coming back down again. Space is getting into orbit and being there, living there, establishing a presence, a permanence.

Fighter pilots have ice in their veins. They don't have emotions. They think, anticipate. They know that fear and other concerns cloud your mind from what's going on and what you should be involved in.

My first biography written in '73 was not 'Journey To The Moon.' It was 'Return To Earth.' Because for me, that was the more difficult task - disappointment.

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

I'm not in favor of just taking short-term isolated situations and depleting our resources to keep our climate just the way it is today.

I've led a life of such structured discipline and always had a goal in mind of knowing what I was doing, from West Point to the Air Force combat, MIT, looking for new things to study and get involved in. And then I got into the space program, and how disciplined can you get?

Space is not just going up and coming back down again. Space is getting into orbit and being there, living there, establishing a presence, a permanence.