“Lacan’s refusal to ontologize the Unconscious into a substantial base of the subject’s psychic life. Here we encounter a “proof by impotence” at its most trenchant: the inaccessibility of the Unconscious is not just a sign of our epistemological limitation, of our inability to reach another site where the Unconscious “fully exists”—the Unconscious “in itself” does not fully exist, since it dwells in the domain of neither-being-nor-not-being.”