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

It's good to have a fear of heights. I mean, it's kind of crazy not to because if you just lean out a little bit and there's a gust of wind or somebody bumps you or something and you fall, you're splat.

Don`t let life randomly kick you into the adult you don`t want to become

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.

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

Our three big emergencies are fire, loss of pressurization or contaminated atmosphere. Any of those things in a spaceship are very deadly and time critical. Everybody's trained, but I'm the commander of the ship, and it's up to me to decide.

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.