If you've got a talent, protect it.
After a storm comes a calm.
The secret of getting ahead is getting started.
What you do today can improve all your tomorrows.
To know oneself, one should assert oneself.
It's always too early to quit.
Be thine own palace, or the world's thy jail.
Who seeks shall find.
Well done is better than well said.
Never complain and never explain.
There's obviously nothing wrong with selling your art - only an idiot with a trust fund would tell you otherwise. But it's confusing to know how far you should take it.