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

Yeah, I wasn't chosen to be first. I was just chosen to command that flight. Circumstance put me in that particular role. That wasn't planned by anyone.

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.

In much of society, research means to investigate something you do not know or understand.

People love conspiracy theories.

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