This book is an investigation into authenticity, certainty, and self-hood as they arise in the story of the binding of Isaac. Gellman provides a new interpretation of Kierkegaard with select Hasidic commentary. Contents: INTRODUCTION: Background to the Book, Hasidism and Existentialism, Preview of the Chapters, THE FEAR AND THE TREMBLING: Kierkegaard's Fear and Trembling, The Problem of Hearing and the Problem of Choice, The 'Ethical' for Kierkegaard, The 'Voice of God' for Kierkegaard, The Resolution of the Problems, THE UNCERTAINTY: Mordecai Joseph Leiner of Izbica, Maimonides, Saadia, and Gersonides, The Existentialist Interpretation, The Theological Interpretation, SINNING FOR GOD: The Teleological Suspension of the Ethical, Averah Lishmah-Mordecai Joseph Leiner of Izbica and Zadok Hakohen of Lublin, Divine Determinism, Repentance from Fear and from Love, Averah Lishmah and the Teleological Suspension of the Ethical, THE DOUBLE-MINDEDNESS: Abraham's Prophetic Utterance, Heavy and Light Double Mindedness, The Fire-Elimelech of Lyzhansk, Judah Aryeh Leib of Gur, Abraham's Double-Mindedness, THE PASSION: Abraham Issac Kook, Hegel and Kierkegaard on Religion and Philosophy, Abraham and Idolatry, The Akedah According to Rav Kook, God's Mercy, Rav Kook and Kierkegaard on the Self, Index.