The Nile, draining out into the Mediterranean. The bright lights of Cairo announce the opening of the north-flowing river’s delta, with Jerusalem’s answering high beams to the northeast. This 4,258 mile braid of human life, first navigated end-to-end in 2004, is visible in a single glance from space.

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.

There is no problem so bad that you cannot make it worse

I wasn’t destined to be an astronaut. I had to turn myself into one.

Every decision you make, from what you eat to what you do with your time tonight, turns you into who you are tomorrow and the day after that.

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

There is a sunrise or a sunset from space every 92 minutes so there is an incredible amount of beauty to see from up there.