Eudaimonism: A system of ethics that evaluates actions in terms of their capacity to produce happiness.
What is art for? "L'art pour l'art" wrote Théophile Gautier as a slogan in 1835. And today's bohemians continue to repeat the creed "Art for art's sake." It's a catchy slogan, still what most people unreflectively tell themselves when confronted with the question: "What is the purpose of art?"