For most of the time carrier aviation is more challenging than flying in a spacecraft

I didnt go into the NASA program to pick up rocks or to go the moon or anything else. I went in there because I was a military officer, and that was the next notch in my profession.

It looks to me, looking out the hatch, that we are venting something. We are venting something out into the - into space.

Houston, we've had a problem here.

When I circled the moon and looked back at Earth, my outlook on life and my viewpoint of Earth changed... Earth is a spaceship, just like Apollo - and just like Apollo, the crew must learn to live and work together. We must learn to manage the resources of this world with new imagination.

Err Houston, we've had a problem. [pause] We've had a main B bus undervolt.

You need to be a person who makes things happen.