I feel like there's too many paintings left unpainted that I just don't want to take the time away.

But I found that being an artist and doing accurate work is very difficult.

It seems farther away now because there are no rockets getting there. Nobody is going.

Frequently on the lunar surface I said to myself, 'This is the Moon, that is the Earth. I'm really here, I'm really here!'

We knew it was going to be difficult to get to the moon. We didn't know how difficult.

I can remember walking on the moon.

Eventually there are going to be cities in space.