" It is Duchamp who is to blame for the whole “is it art?” debate, which of course is exactly what he intended. As far as he was concerned, the role in society of an artist was akin to that of a philosopher; it didn’t even matter if he or she could paint or draw. An artist’s job was not to give aesthetic pleasure—designers could do that; it was to step back from the world and attempt to make sense or comment on it through the presentation of ideas that had no functional purpose other than themselves. "

― , What Are You Looking At?: 150 Years of Modern Art in a Nutshell