It's always too early to quit.
The secret of getting ahead is getting started.
I can, therefore I am.
Be kind whenever possible. It is always possible.
Quality is not an act, it is a habit.
Know or listen to those who know.
Things do not happen. Things are made to happen.
Well done is better than well said.
Who seeks shall find.
Be thine own palace, or the world's thy jail.
Composers shouldn't think too much - it interferes with their plagiarism.