Always desire to learn something useful.
To be a good loser is to learn how to win.
Go for it now. The future is promised to no one.
If you've got a talent, protect it.
Problems are not stop signs, they are guidelines.
It's always too early to quit.
Wherever you are - be all there.
Expect problems and eat them for breakfast.
The most effective way to do it, is to do it.
Either you run the day or the day runs you.
There's a lot of interest from the medical community on how things develop in microgravity, and the hope, later, that is expected to apply to what the changes are in humans as well.