If you've got a talent, protect it.
Be gentle to all and stern with yourself.
Go for it now. The future is promised to no one.
Without hard work, nothing grows but weeds.
Always desire to learn something useful.
If you can dream it, you can do it.
To be a good loser is to learn how to win.
Be thine own palace, or the world's thy jail.
Leap, and the net will appear.
Who seeks shall find.
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.