CHAPTER IX. THE HELLENIC-ROMAN PERIOD, 204 ITS TIME LENGTH, 204 THE FALL OF THE GREEK NATION AND THE PERSISTENCE OF ITS CIVILIZATION, 204 MAP OF THE EMPIRE OF ALEXANDER, SHOWING THE EXTENSION OF HELLENISM, 205 THE TWO PARTS OF THE HELLENIC-ROMAN PERIOD, 208 1. The Ethical Period, 208 2. The Religious Period, 208 THE UNDERCURRENT OF SKEPTICISM IN THE HELLENIC-ROMAN PERIOD, 209 THE FUNDAMENTAL PROBLEM OF THE HELLENIC-ROMAN PERIOD, 211 THE CENTRES OF HELLENISM, 213 1. Athens, 213 2. Alexandria, 215 GENERAL CHARACTERISTICS OF THE ETHICAL PERIOD, 215 1. The Abandonment of Metaphysical Speculation, 216 2. The Growth of Science, 216 3. Ethics became the Central Interest, 217 THE SCHOOLS, 218 MAP OF ATHENS, SHOWING THE LOCATION OF THE FOUR SCHOOLS, 219 THE OLD SCHOOLS――THE ACADEMY AND THE LYCEUM, 220 1. The Academy, 220 2. The Lyceum, 221 THE NEW SCHOOLS――THE EPICUREANS AND THE STOICS, 222 A SUMMARY OF THE AGREEMENTS AND DIFFERENCES OF THE STOICS AND EPICUREANS, 225 CHAPTER X. EPICUREANISM, 227 THE LIFE OF EPICURUS, 227 THE EPICUREANS, 228 SOME TYPES OF HEDONISM,――ARISTIPPUS, EPICURUS, AND ROUSSEAU, 228 THE EPICUREAN IDEAL, 230 THE PLACE OF VIRTUE IN EPICUREANISM, 233 THE EPICUREAN WISE MAN, 234 THE EPICUREAN WISE MAN IN SOCIETY, 235 THE GREAT OBSTACLES TO HAPPINESS, 236 EPICURUS’ CONCEPTION OF THE PHYSICAL WORLD.――QUALIFIED ATOMISM, 238