Early success is a terrible teacher. You're essentially being rewarded for a lack of preparation, so when you find yourself in a situation where you must prepare, you can't do it. You don't know how.

I've had a chance to fly a lot of different airplanes, but it was nothing like the shuttle ride.

As I have discovered again and again, things are never as bad (or as good) as they seem at the time.

Sweat the small stuff. Without letting anyone see you sweat.

The Moon has given us months, tides and a destination that ever-beckons. It's time we build a rocket and go to stay.

Early success is a terrible teacher. You're essentially being rewarded for a lack of preparation, so when you find yourself in a situation where you must prepare, you can't do it. You don't know how.

The danger is different from the fear. ... [practice] what to do if things go wrong, as well as right.