I can, therefore I am.
To be a good loser is to learn how to win.
If you think you can do it, you can.
Leap, and the net will appear.
Expect problems and eat them for breakfast.
Be thine own palace, or the world's thy jail.
If you've got a talent, protect it.
Either you run the day or the day runs you.
Never complain and never explain.
To know oneself, one should assert oneself.
All science is either physics or stamp collecting.