Never limit yourself because of others' limited imagination; never limit others because of your own limited imagination.

I always knew I'd go to space.

As an astronaut, you have a very defined set of tasks to do. Those tasks may require you to work 60, 70 or 80 hours a week.

I wanted to be a professional dancer for a period of time, and I did a lot of dancing and choreography and got paid for it.

We look at science as something very elite, which only a few people can learn. That's just not true. You just have to start early and give kids a foundation. Kids live up, or down, to expectations.

Greatness can be captured in one word: lifestyle. Life is God's gift to you, style is what you make of it.

You have the right to be involved. You have something important to contribute, and you have to take the risk to contribute it.