My conviction was justified: art, that which lasts, is based on mathematics. - Jean Metzinger

Gleizes was only trying to reduce the curvature of natural volumes to adapt them more naturally and rigorously to the surface of the painting, a surface which he believed to be continuous with the wall and, for all practical purposes, with no curvature at all.

Already, a conscious courage is coming to life. Here are some of the painters: Picasso, Georges Braque, Delaunay, Le Fauconnier.. ..they are highly enlightened, and do not believe in the stability of any system, even if it were to call itself classical art.. ..Their reason is poised between the pursuit of the fleeting and a mania for the eternal.

I learned that Cézanne's success was not preventing the Neo-Impressionists from getting support. My knowledge of their technique was entirely literary.