Composition, the aim of which is expression, alters itself according to the surface to be covered. If I take a sheet of paper of given dimensions, I will jot down a drawing which will have a necessary relation to its format.
"Artists on Art - from the 14th - 20th centuries". Book edited by Robert Goldwater and Marco Treves; Pantheon Books, London, p. 410, 'Notes d'un Peintre' (Notes of a Painter), 1972.