Albert Gleizes did not know Montmartre, had never seen anything of Picasso or Juan Gris, never heard Maurice Princet construct an infinite number of … - Jean Metzinger

I wanted an art that was faithful to itself [loyal] and would have nothing to do with the business of creating illusions. I dreamed of painting glasses from which no-one would ever think of drinking, beaches that would be quite unsuitable for bathing, nudes who would be definitively chaste. I wanted an art which in the first place would appear as a representation of the impossible.

We could not do it in the way he meant. But from the Rue Lamarck to the Rue Ravignan, the attempt [prétention] to imitate an orb on a vertical plane, or to indicate by a horizontal straight line the circular hole of a vase placed at the height of the eyes was considered as the artifice of an illusionistic trickery that belonged to another age.

This science gave me a taste for the arts. It is Number that gives value to sounds and silences, lights and shadows, forms and spaces. Michelangelo and Bach seemed to me like divine mathematicians [calculateurs]. Already I felt that only mathematics enables works that can last. Whether as a result of patient study, or of a stormy [fulgurante] intuition, number alone can reduce all our diversities of feeling to the strict unity of a mass, a fresco, or a sculpted head.