That is the way a great master carpenter feels, or an architect or composer or anyone who creates anything - people want to be appreciated for what they have done.
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.
When it comes down to it, at the end of the day, I need more out of my life and I need to push myself harder. And if at the end of the day I don't have it, then I don't have it, but at least I'm going to put myself out there. If I fail, I'm going to fail terrifically.