It is always in one and the same movement that repetition includes difference (not as an accidental and extrinsic variant but at its heart, as the essential variant of which it is composed, the displacement and disguise which constitute it as a difference that is itself divergent and displaced) and that it must receive a positive principle which gives rise to material and indifferent repetition (the abandoned snake skin, the envelope emptied of what it implicates, the epidermis which lives and dies only from its own soul or latent content).