It's always too early to quit.
If you're going through hell, keep going.
To be a good loser is to learn how to win.
The secret of getting ahead is getting started.
Be thine own palace, or the world's thy jail.
To know oneself, one should assert oneself.
Well done is better than well said.
The most effective way to do it, is to do it.
Either you run the day or the day runs you.
Quality is not an act, it is a habit.
I think it is most important for a teacher to play the pieces and studies that are being played by the student.