Since Courbet, it's been believed that painting is addressed to the retina. That was everyone's error. The retinal shudder! Before, painting had other functions: it could be religious, philosophical, moral... our whole century is completely retinal, except for the Surrealists, who tried to go outside it somewhat.
The word 'art' interests me very much. If it comes from Sanskrit, as I've heard, it signifies 'making.' Now everyone makes something, and those who make things on a canvas with a frame, they're called artists. Formerly, they were called craftsmen, a term I prefer. We're all craftsmen, in civilian or military or artistic life.
One does not contemplate it like a picture. The idea of contemplation disappears completely. Simply take note that it's a bottle rack, or that it's a bottle rack that has changed its destination... It's not the visual question of the readymade that counts; it's the fact that it exists, even.
In France, in Europe, the young artists of any generation always act as grandsons of some great man - Poussin, for example, or Victor Hugo. They can't help it. Even if they don't believe in that, it gets in their system. And so when they come to produce something of their own, the tradition is nearly indestructible.
The last hundred years have been retinal; even the cubists were. The surrealists tried to free themselves, and earlier so had the dadaists, but unfortunately, these latter were nihilists and didn't produce enough to prove their point, which, by the way, they didn't have to prove - according to their theory.