Perhaps the two greatest moments of my life were standing on the moon and being outside of the room when my granddaughter was born! We tend not to remember the worst.

Get the shuttle out of the garage. It's in its prime of its life. How could we just put it away?

OK, let's get this mother out of here.

Chemical propulsion is obsolete to go anywhere other than the moon. Three days - that's acceptable. But for Mars, we need propulsion technologies to get us there in, say, 60 days - then spend whatever length of time we want to spend and return when we want to come home.

We will certainly see teachers, journalists, artists and poets in space. Whatever it takes to the be the best is what it will take to get you into space.

I hold the world speed record downhill, in a Rover. I think it was 17 kilometers per hour, downhill.

Yes, I am the last man to have walked on the moon, and that's a very dubious and disappointing honor. It's been far too long.