"Published on the cusp of 1900, Sigmund Freud's The Interpretation of Dreams set out to illuminate the workings of the unconscious through the analysis of dreams. Freud's notion of the unconscious would quickly become hegemonic in twentieth-century scientific thought. By Freud's time, however, several generations of philosophers had been developing the idea of the unconscious. On the Edge of the Abyss untangles the pre-Freudian concept of the unconscious in Jewish thought and reveals how the unconscious became part of public discourse in the long nineteenth century. First described by Schelling as an abyss from which creation springs forth, the pre-Freudian unconscious was inspired by kabbalistic motifs and inflected with tropes derived from Jewish mysticism. Jewish thinkers engaged this porous notion as a mode for reflecting on the psychological and political meaning of otherness and on the creation of a polity that allowed for coexistence. As Clâemence Boulouque shows, Jewish reception of the unconscious before Freud is a microcosm of Jewish emancipation, telling a mulilayered intellectual and cultural history of a minority reappropriating its own tradition in an early instance of self-affirmation"--