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.

The thing that I have done throughout my life is to do the best job that I can and to be me.

Some of the most fun people I know are scientists.

Never be limited by other people's limited imaginations.

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.

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

My parents were comfortable with me exploring areas that they were not proficient in. Some parents just aren't comfortable with that.