“The prose-poetry distinction does not reside only in the two accepted meanings of one relationship. It also arises from two ways of using them, and the effectiveness of one or the other. Poetry first arose, it would seem, out of play. Man, who in order to live and subsist must have rapidly put together sign-alphabets, or simply manipulated objects, assembled solids, used his limbs, perceives they can be used gratuitously and with absolutely no apparent purpose. Prose and poetry then begin to be dissociated in many fields. Walking has a double, which is dance. Writing and drawing for utilitarian purposes also have doubles: the mystic sign, figurative drawing, which itself found a double in abstract art, etc…
(page 151)
Pierre Schaeffer. In Search of a Concrete Music. Trans. Christine North and John Dack. Berkeley: U of C P, 2012.
Found while browsing the stacks of the Belzer Library, SFU, Vancouver.