BREMEN, GERMANY, _November 5, 1866_. CONTENTS. INTRODUCTION. PAGE Systematic History of Infidelity, 2-3 Best Method of refuting Rationalism, 3-4 Rationalism not an unmixed Evil, 4-6 Definitions of Rationalism: Wegscheider, 8 Staeudlin, 11 Hahn, 12 Rose, 13 Bretschneider, 14 McCaul, 16 Saintes, 19 Lecky, 22 Classes of Rationalists, 24-26 Causes of the success of Rationalism, 26-32 Four Considerations in Reference to Rationalism, 32-35 CHAPTER I. CONTROVERSIAL PERIOD SUCCEEDING THE REFORMATION. Causes of the Controversial Spirit, 38 The Controversies described, 39, 40 George Calixtus, 40-45 Jacob Boehme, 46-49 John Arndt, 49-51 John Gerhard, 51-53 John Valentine Andreae, 53-55 CHAPTER II. RELIGIOUS CONDITION OF THE PROTESTANT CHURCH AT THE PEACE OF WESTPHALIA. Description of the Thirty Years' War, 56-59 Religious Decline of the Church, 59-61 Neglect of Children, 62-65 Defects of Theological Literature, 66-68 Low State of Theological Instruction, 68, 69 Imperfect Preaching of the Time, 69-73 Immorality of the Clergy and Theological Professors, 73-77 Religious Indifference of the Upper Classes, 77-80 CHAPTER III. PIETISM AND ITS MISSION.