"Aesthetic objects facilitate the mind to step back from the world, to loosen up from one's embeddedness in networks of functional activity." Schopenhauer
"The need to escape boredom is the origin of the arts." Nietzsche
"Art, like language, is a system which generates its significance within itself. Art requires attentive interaction. Its essence does not lie elsewhere." Wittgenstein
For Kafka the real world needs to justify why anyone would want to leave the world of art and enter into bad reality.
According to Cassirer, artists discover the forms of nature. Art shows us the different possible ways we have to gain insight into the world and to give expression to this.