In the works of Duchamp, space begins to walk and take on form; it becomes a machine that spins arguments and philosophizes; it resists movement with delay and delay with irony.

Futurists wanted to suggest movement by means of a dynamic painting; Duchamp applies the notion of delay - or, rather, or analysis - to movement.

Art for Duchamp, all the arts, obey the same law: meta-irony is inherent in their very spirit. It is an irony that destroys its own negation and, hence, returns in the affirmative.

As it defines itself, every society defines other societies. That definition almost always takes the form of a condemnation: the 'other' is the barbarian.

Wit invents; inspiration reveals. The inventions of wit are conceits - metaphors and paradoxes - that discover the secret correspondences that unite beings and things among and with themselves; inspiration is condemned to dissipate its revelations - unless a form can be found to contain them.

Art is an invention of aesthetics, which in turn is an invention of philosophers... What we call art is a game.