To me, it's not about being anywhere, but being able to change my perceptions and experience something new.

Spaceflight isn't just about doing experiments, it's about an extension of human culture.

Our role is to develop techniques that allow us to provide emergency life-saving procedures to injured patients in an extreme, remote environment without the presence of a physician.

Don't let life randomly kick you into the adult you don't want to become

Almost everything worthwhile carries with it some sort of risk.

Decide in your heart of hearts what really excites and challenges you, and start moving your life in that direction

Every single day you're the result of what you did on the days prior.

Focus on the journey, not on arriving at a certain destination.

Remember, nobody changes the world on their own.

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.

The cool things about space is when you put your pants on here, you can put them on two legs at a time.

Anybody can Earn and Die, leaving a will and legacy. Only the courageous ones can give away all they have while they are Alive.

Laugh whenever you can. Keeps you from killing yourself when things are bad. That and vodka.

Amberley excelled at chess - a mark, Watson, of a scheming mind.

If you are low income in the United States, you have a higher chance of going to jail than getting a 4-year degree.

In my judgment, the only way to deal with terrorists is to stay on the offensive, is to find them and bring them to justice before they hurt us again.

Water is a pioneer which the settler follows, taking advantage of its improvements.

The Germans are indeed the economically and politically strongest power in Europe. But their superiority does not equal the past and present superiority of the Americans.

Romans 6 - Our flesh is the instrument that Satan works through. When we say no to the flesh, we say no to the devil.

It's happening right now... it's just not on film, it's not being recorded.

I've always said that I myself am not the best audience for my own work, because I'm just not that receptive to comedy.