Georges Bataille said this quote

These studies are the result of my attempt to extract the essence of literature. Literature is either the essential or nothing. I believe that the Evil—an acute form of Evil—which it expresses, has a sovereign value for us. But this concept does not exclude morality: on the contrary, it demands a 'hypermorality.'Literature is communication. Communication requires loyalty. A rigorous morality results from complicity in the knowledge of Evil, which is the basis of intense communication.—Literature and Evil