From space, the Bahamas is the most beautiful place on Earth.

No one ever accomplished anything great sitting down.

It’s not enough to shelve your own competitive streak. You have to try, consciously, to help others succeed.

If you start thinking that only your biggest and shiniest moments count, you're setting yourself up to feel like a failure most of the time.

One Chief Astronaut used to make a point of phoning the front desk at the clinic where applicants are sent for medical testing, to find out which ones treated the staff well-and which ones stood out in a bad way. The nurses and clinic staff have seen a whole lot of astronauts over the years, and they know what the wrong stuff looks like. A person with a superiority complex might unwittingly, right there in the waiting room, quash his or her chances of ever going to space.

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

Remember, nobody changes the world on their own.