Marcel Duchamp quotes and aphorisms about been Marcel Duchamp Marcel Duchamp Marcel Duchamp Marcel Duchamp ,, Since Courbet, it's been believed that painting is addressed to the retina. That was everyone's err... Marcel Duchamp Marcel Duchamp Marcel Duchamp Marcel Duchamp ,, The last hundred years have been retinal; even the cubists were. The surrealists tried to free them... Marcel Duchamp