The emotional build-up and anticipation if you travel at Christmas can make it harder to enjoy a trip. I think sometimes it is better to travel outside of conventional holiday times for that reason.

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.

Sentence every immoral thought for detention and prosecution. Immorality is a powerful gadget that brings down great monuments of success. Don’t entertain immorality.

How you react doesn’t tell a person about your character, as much as it does your fear or God's fire. Which is it?

Christ for the world, for the world needs Christ!

Nobody ever lost money taking a profit

The political system, folks, is rigged. It's a rigged, disgusting, dirty system.

If I win, I'll take my wife and buy her a whole new wardrobe. If she's happy then I'll be happy.

I am the youngest of four siblings, and were all so close. I dont know where I would be without my brothers and sister. I secretly believe that my parents love me the most!

When man, governed by reasonable laws, enjoys his natural freedom, let him despise woman, if she do not share it with him.

O Earth, O Earth, return! Arise from out the dewy grass; Night is worn; And the morn Rises from the slumbrous mass.

Character, like a photograph, develops in darkness.