Yeshayahu Leibowitz and Emmanuel Levinas were amongst the two leading Jewish thinkers to have emerged in the second half of the twentieth century. This book puts in dialogue these two titanic figures, particularly within the framework of their respective critiques of political theology, European totalitarianism, as well as their doctrinal approaches to the Zionist enterprise. This work constitutes a lens through which to reappraise some of the chief questions of contemporary Jewish identity, including the Holocaust, the State of Israel, Diaspora Jewry, modernity and traditionalism, as well as continuity and change.