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.

When I am getting ready to cross a street, I look both ways before crossing. My bones, my muscles, are not what they used to be, so I am careful when I go up and down stairs, because I've heard stories of older people falling and having very disabling injuries. I have enough things that begin to go a little bit wrong as I get a little bit older.

Walking around on the moon was significantly easier than we'd thought it would be. There weren't any balance problems, so you weren't tumbling over.

The way I see it, what is going to come out of the moon activities is a respect for U.S. leadership.

Unfortunately, kids are led to believe things are easier to achieve than they really are.

It's time to open the space frontier to citizen explorers.

American greatness was elevated significantly after Sputnik.