Part 1 Primitive Conception of Nature; Chapter 1 Primitive Consciousness; Chapter 2 The Social Interpretation of Nature; Chapter 3 The Interpretation of Nature According to the Principle of Retribution; Part 2 Greek Religion and Philosophy; Chapter 4 The Idea of Retribution in Greek Religion; Chapter 5 The Law of Causality and the Principle of Retribution in the Greek Philosophy of Nature; Part 3 Modern Science; Chapter 6 The Law of Causality in Modern Natural Science; Chapter 7 Natural and Social Science;