What was the truth for the painters of yesterday is but a falsehood today. We declare, for instance, that a portrait must not like the sitter.. .To p… - Umberto Boccioni

Original text:
Agli artisti giovani d'Italia!
Il grido di ribellione che noi lanciamo, associando i nostri ideali a quelli dei poeti futuristi, non parte già da una chiesuola estetica, ma esprime il violento desiderio che ribolle oggi nelle vene di ogni artista creatore.

With this new tendency [of Orphism] the Cubists dubbed Impressionism of forms according to Appolinaire, is entering a final and glorious phase: ..Orphism, pure painting, simultaneity. And there you have it, as many obvious plagiarisms of what has formed, from its earliest appearances, the essence of Futurist painting and sculpture.. ..But we insist on sorting things out. Orphism [initiated by former Cubist artist Robert Delaunay as an colorful alternative for strict Cubism ], let us say it right away, is just an elegant masquerade of the basic principles of Futurist painting. This new trend simply illustrates the profit that our French colleagues managed to driver from our first Futurist exhibition in Paris.

..Is it indisputable that several aesthetic declarations of our French comrades (the Cubists) display a sort of masked academicism. It is not, indeed, a return to the Academy to declare that the subject, in painting, has a perfectly insignificant value?.. .To paint from the posing model as an absurdity, and an act of mental cowardice, even if the model be translated upon the picture in linear, spherical and cubic forms..