“
Whether it is Juan Gris taking objects apart, Picasso replacing them with objects of his own invention, or another who replaces conical perspective by a system based on the relations between perpendiculars, all that only goes to show that Cubism was not at all born out of an authoritative theory [mot d'ordre]; that it only marked among a few painters the will to be finished with an art that never ought to have survived the condemnation pronounced upon it by Pascal.
— JEAN METZINGER