Greek Philosophy Macmillan and Co., Limited London Bombay Calcutta - Madras Melbourne the Macmillan Company New York Boston * Chicago Dallas San Francisco
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of flijiiosopijp GREEK PHILOSOPHY MACMILLAN AND CO., LIMITED LONDON BOMBAY CALCUTTA - MADRAS MELBOURNE THE MACMILLAN COMPANY NEW YORK BOSTON * CHICAGO DALLAS SAN FRANCISCO THE MACMILLAN CO. OF CANADA, LTD. TORONTO GREEK PHILOSOPHY PART I THALES TO PLATO BY JOHN BURNET MACMILLAN AND CO., LIMITED ST. MARTIN'S STREET, LONDON 1924 COPYRIGHT First Edition 1914. Reprinted 1920, 1924. PRINTED IN GREAT BRITAIN PREFACE THE preparation of this volume was undertaken some the Lexicon years ago, but was interrupted by my work on Platonicum, which has proved a more formidable task than was at first anticipated. I have to thank the editor of this series and the publishers for their generous indulgence in the circumstances. It is unfortunate in some respects that I have been in a form obliged to deal with certain parts of the subject which does not admit of detailed argument and still less Greek of controversy. The second edition of my Early Philosophy (referred to as E. Gr. Phf} makes this in large measure unnecessary in Book L, but there are certain parts of Book III. where I have had to state my conclusions baldly in the hope that I may have a later opportunity for the of discussing their grounds. My chief aim present has been to assist students who wish to acquire a firsthand of knowledge of what Plato actually says in the dialogues some- Jiis maturity. So long as they are content to know Platonism thing of the Republic and the earlier dialogues, must be a sealed book to them. I have not thought it well to present Greek names in a Latin dress. I see no advantage, and many disadvantages, in writing Herakleitos as Heraclitus. It often leads to his being called out of his name, as the Emperor Herakleios vi PREFACE usually is when disguised as Heracttus. On the other hand, the Latin titles of Plato's dialogues are English words. Theaitetos of Athens is best left with the beautiful cc " name chosen for him by his father Euphronios, but the Theaetetus is as much English as Thessalonians. We shall it reach on this matter I f never, seems, agreement ; only wish to explain my own practice. I have to thank my friend and former colleague, Sir Henry Jones, for many valuable suggestions and, above all, for his constant encouragement. Mr. Hetherington of Glasgow University was good enough to verify most been of my references, and the proofs have carefully read by Mr. W. L. Lorimer, Lecturer in Greek at the Univer- sity of St. Andrews. For the imperfections which remain I am solely responsible. J. B. CONTENTS I'AGE INTRODUCTION- ------- i BOOK L THE WORLD CHAPTER I THE IONIANS -------- 17 Miletos .-- 17 The Breakdown of Ionian Civilisation 28 Religion 3 1 Enlightenment .------32 CHAPTER II PYTHAGORAS --------37 The Problem - 37 Life and Doctrine ------ 38 Music --------45 Medicine 49 Numbers - - - - - - - - 5 1 CHAPTER III HERAKLEITOS AND PARMENIDES 57 Herakleitos --------57 Parmenides -------- 63 viii CONTENTS CHAPTER IV THE PLURALISTS ._--_._ 69 - - - - - - Empedokles- - 71 Anaxagoras -------- 76 CHAPTER V ELEATICS AND PYTHAGOREANS 82 Zeno - ....... -82 Melissos ------- -85 - - - The Later Pythagoreans - - 87 CHAPTER VI LEUKIPPOS .-.,--... .. BOOK II. KNOWLEDGE AND CONDUCT CHAPTER VII THE SOPHISTS ....... 105 Law and Nature- -----. 105 The "Sophists" ....... 107 - - Protagoras - ..... no Hippias and Prodikos - - - - - - 118 - Gorgias - - - - - - -119 Eclectics and Reactionaries - - - - -122 CHAPTER VIII THE LIFE OF SOKRATES --.... I2 6 The Problem - - - - - - -126 The Platonic Sokrates - - - - - -128 Aristophanes and Xenophon - - - - - 144 CONTENTS ix CHAPTER IX PAGE t THE PHILOSOPHY OF SOKRATES 151 The Associates of Sokrates - - - - -151 - The Forms - - - - * - 154 Goodness - - - - - ~ - -170 CHAPTER X THE TRIAL AND DEATH OF SOKRATES - - - 180 The Condemnation - - - - - -180 The Alleged Offence - - - - - 182 The Real Offence 185 The Pretext 189 The Death of Sokrates - - - - -191 CHAPTER XI DEMOKRITOS _---_.._ 193 Theory of Knowledge- - - - - 196 Theory of Conduct - - - - - -199 BOOK III. PLATO CHAPTER XII PLATO AND THE ACADEMY - 205 Plato's Early Life --.... 205 Foundation of the Academy - - - - 213 Plato and Isokrates - - - - - -215 The Methods of the Academy - - - 219 The Programme of Studies ----- 223 Eukleides and Plato ---,.-. 230 CONTENTS CHAPTER XIII PAGE CRITICISM .---_-.. 234 The Theaetetus - - - - - - -237 The Parmenides - - - - - - ~ 2 53 CHAPTER XIV LOGIC -_.-.---- 273 The Sophist ------- 273 CHAPTER XV POLITICS --------- 290 The Statesman ------- 290 Plato and ------ 294 Dionysios The Laws -------- 301 Education -------- 305 CHAPTER XVI THE PHILOSOPHY OF NUMBERS - 312 I. Forms, Mathematicals and Sensibles - - 315 II. The One and the Indeterminate Dyad - - 320 The Philebus 324 CHAPTER XVII THE PHILOSOPHY OF MOVEMENT - 333 The Soul ..------ ~ 333 God --------- 335 The World ------- 338 Conclusion ------- - 349 APPENDIX 351 INDEX --...-.-. 352 INTRODUCTION Jo will one ever succeed in writing a history of philo- for like works of are ophy ; philosophies, art, intensely >ersonal things. It was Plato's belief, indeed, that no truth could be communicated in at >hilosophical writingx 11 it was sort that ; only by some of immediate contact me soul could kindle the flame in another. Now in dealing vith the philosophy of an earlier age, we are wholly con- ined to written records, and these are usually fragmentary ind often second-hand or of doubtful 'authority. They ire written, too, in a language which at best we only half anderstand, and have been moulded by influences for the most part beyond our ken. It will only, therefore, be in so far as the historian can reproduce the Platonic contact of souls that his work will have value. In some measure this is possible. Religious faith often seems able to break through the barriers of space and time, and so to appre- hend its but such faith is object directly ; something personal and incommunicable, and in the same way the historian's reconstruction of the past is primarily valid for himself alone. It is not a thing he can hand over ready- made to others. There is nothing mysterious about this aspect either of religious faith or of philological inter- pretation. On the contrary, all knowledge has the same character. In the present case it only means that a man who tries to spend his life in sympathy with the ancient philo- 1 sophers will sometimes find a direct conviction forcing itself 1 This is what Plato calls rb crvffiv (Ef. vii. 34.1 c), but he is thinking of the living, not the dead. 2 INTRODUCTION upon him, the grounds of which can only be represented very imperfectly by a number of references in a footnote. Unless the enumeration of passages is complete and it can never be complete and unless each passage tells exactly in the same way, which depends on its being read in the light of innumerable other passages not consciously present to memory, the so-called proofs will not produce the same effect on any two minds. That is the sense in which philological inquiry, like every other inquiry, requires an act of faith. It is clear, however, that no one whose experience has not been identical can be called on to repeat this act after another, and for this reason professed histories of philosophy are often more of a hindrance than a help. They seem only to interpose another obstacle where there are obstacles f enough already. But though a history of philosophy is impossible, there are some humbler tasks that can in a measure be per- formed, and of which the performance may help to prepare the way for a more direct vision. In the first place, there are certain external matters that may be determined with considerable accuracy and which are not without importance. We are more likely to understand a philosopher rightly if we know the time he lived at and the surroundings that may have helped to shape his thought, even though these can never wholly explain him. It is particularly useful to know what other philosophers he was acquainted with, either directly or through their In the writings. second place, the development of Greek philosophy depends on the progress of scientific, and especially mathematical, discovery more than on anything and it is else, possible to ascertain pretty accurately the stage Greek science had reached by a given time. The records are full, and, when critically used, trustworthy. It is for these reasons that this work deals so largely with matters which may appear at first to lie outside the pro- vince of That in its philosophy. is, fact, chief justification. It is an attempt to lead the reader to the right point of from which he then see view, may for himself. Lastly, MYTHOLOGY 3 there is what may be called the cathartic or purgative function of history. The greatest of all the obstacles we have to surmount is just the mass of scholastic explana- tion and dogma which so soon overwhelm the teaching of any original genius. To clear that away is perhaps the greatest service that can be rendered in this field. We do not wish to see Plato with the eyes of Aristotle, or even of Plotinos, but if possible, face to face, and anyone who can help us here deserves our thanks. It may seem a purely negative service, but that lies in the nature of the case. In the long run the positive con- struction must be left to the individual student, and no two students will see quite alike. All the historian can do is to point the way, and warn others off tracks which have already been found to lead nowhere. Even this, however, implies that we know already what philosophy is, and clearly, unless we have some notion of that, we shall be in danger of losing the thread of our story. We can nevertheless dispense with such a defini- tion as would be applicable to the philosophy of all ages and peoples, for we shall find a pretty clear notion of what philosophy was during the Hellenic period emerging as we go on.