People always want to ask me about my drug problem - I never had a drug problem; I had a self-esteem problem!
“If you don't mark your successes, the day your ship comes in could be just another day at the office, and there's no poetry in that.”
“The most important thing we can do is inspire young minds and to advance the kind of science, math and technology education that will help youngsters take us to the next phase of space travel.”