“If that's there, I believe that technology will probably step up to their part o…” — Neil Armstrong

I believe that every human has a finite number of heartbeats. I don't intend to waste any of mine running around doing exercises.

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

I put up my thumb and it blotted out the planet Earth.

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.