The immobile had been changed to mobility. - Albert Gleizes

Never had the critics been so violent as they were at that time. From which it became clear that these paintings - and I specify the names of the painters who were, alone, the reluctant causes of all this frenzy: Jean Metzinger, Le Fauconnier, Fernand Léger, Robert Delaunay and myself - appeared as a threat to an order that everyone thought had been established forever.

Unless we are to condemn all modern painting, we must regard cubism as legitimate, for it continues modern methods, and we should see in it the only conception of pictorial art now possible. In other words, at this moment cubism is painting.

But we cannot enjoy in isolation; we wish to dazzle others with that which we daily snatch from the world of sense, and in return we wish others to show us their trophies. From a reciprocity of concessions arise those mixed images, which we hasten to confront with artistic creations in order to compute what they contain of the objective; that is of the purely conventional