If you think you can do it, you can.
You never know what motivates you.
Always desire to learn something useful.
Well done is better than well said.
The dog that trots about finds a bone.
Be thine own palace, or the world's thy jail.
Do not weep do not wax indignant. Understand.
What you do today can improve all your tomorrows.
If you can dream it, you can do it.
To be a good loser is to learn how to win.
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.