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.

Some of the most fun people I know are scientists.

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.

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

The arts and sciences are avatars of human creativity.

Once I got into space, I was feeling very comfortable in the universe. I felt like I had a right to be anywhere in this universe, that I belonged here as much as any speck of stardust, any comet, any planet.

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