If you can dream it, you can do it.
Leap, and the net will appear.
Well done is better than well said.
To be a good loser is to learn how to win.
Be gentle to all and stern with yourself.
If you've got a talent, protect it.
Begin to be now what you will be hereafter.
To know oneself, one should assert oneself.
By failing to prepare, you are preparing to fail.
Be thine own palace, or the world's thy jail.
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.