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.

Anticipating problems and figuring out how to solve them is actually the opposite of worrying: it's productive.

Those who do not know the danger of wielding power will, before long, be ruled by it.

Maintaining a consistent platform also helps improve product support - a significant problem in the software industry.

I wouldn't feel right wearing clothes covering my body.

As a result of the assault on Christianity, the Christian faith has been isolated more and more into a tiny private sector of life and removed from the whole public spectrum of America.

You have to have enough respect for other human beings to leave their lives alone. If you admire that life, build it for yourself. Don't just try to come in and take somebody else's life.

If you are an expressive player, people can feel that. It is an emotional thing and becomes an extension of yourself.

My nerves could use a drink.

Of the things I know to be true in life, right at the top of the list of irrefutable truths is, "No one ever listens to anyone." It might even be No. 1.

There is nothing that you may not get people to believe in if you will only tell it them loud enough and often enough, till the welkin rings with it.

Who leaves the pine-tree, leaves his friend, Unnerves his strength, invites his end.