No teacher has ever been better prepared to teach a lesson.

Space is for everybody. It's not just for a few people in science or math, or for a select group of astronauts. That's our new frontier out there, and it's everybody's business to know about space.

Reach for it. Push yourself as far as you can.

My sympathies have always been for working-class people.

I cannot join the space program and restart my life as an astronaut, but this opportunity to connect my abilities as an educator with my interests in history and space is a unique opportunity to fulfill my early fantasies.

Space is going to be commonplace.

Every shuttle mission's been successful.