Introduction 1: Origen and his On First Principles I: Origen in Alexandria II: On First Principles 2: The structure of On First Principles I: The Two Cycles II: The Division into Chapters III: Theology and Economy IV: The Apostolic and the Ecclesiastical Preaching V: Scripture, Book Four, and the Purpose of On First Principles VI: Conclusion and the Context of On First Principles 3: Theology I: An Eternal Creation? II: The 'Foundation' of the World 4: Economy I: Incarnation II: The 'Pre-existence' and Incarnation of Christ 5: 'In My End is My Beginning' Text and Translation Origen, On First Principles Manuscripts and Other Sources, Abbreviations and Sigla 1: Rufinus' Translation I: Manuscripts II: Insalest Witnesses III: Editiocs 2: The Philocalia I: Manuscripts II: Editions 3: Abbreviations and Sigla Rufinus' Preface Preface Part I: Theology I: The Apostolic Preaching II: The Church's Preaching Part II: Economy I: The Apostolic Praching II: The Church's Preaching Part III: The Inspired Scripture Recapitulation Appendix I Chapter Titles in the Latin Manuscripts Appendix II Koetschau's Fragments Bibliography Index of Ancient Sources Index of Modern Authors Cited