I fully expected that, by the end of the century, we would have achieved substantially more than we actually did.

We had hundreds of thousands of people all dedicated to doing the perfect job, and I think they did about as well as anyone could ever have expected.

It's a brilliant surface in that sunlight. The horizon seems quite close to you because the curvature is so much more pronounced than here on earth. It's an interesting place to be. I recommend it.

I'm substantially concerned about the policy directions of the space agency. We have a situation in the U.S. where the White House and Congress are at odds over what the future direction should be. They're sort of playing a game and NASA is the shuttlecock that they're hitting back and forth.

I thought the attractions of being an astronaut were actually, not so much the Moon, but flying in a completely new medium.

The important achievement of Apollo was demonstrating that humanity is not forever chained to this planet and our visions go rather further than that and our opportunities are unlimited.