No dream is too high for those with their eyes in the sky!

There should be an international lunar base. That is certainly doable.

The way I see it, commercial interests should manage a lunar base while NASA gets on with the really important task of flying to Mars.

We need the next generation to be motivated and to push technological boundaries, to seek out new innovations.

The moon I see now is the same moon I saw before. Except that before, when I looked at it, it was in anticipation of what it would be like when I got there. That's behind me now.

I inherited depression from my mother's side of the family.

There's no guarantee that the United States will be around 200 years from now.