William Dean Howells 
The Man of Letters as a Man of Business [EPUB ebook] 

He can say that, as the thing is, unless he sells his art he cannot live, that society will leave him to starve if he does not hit its fancy in a picture, or a poem, or a statue; and all this is bitterly true. He is, and he must be, only too glad if there is a market for his wares.