མ PREFACE OF THE EDITOR. THIS EDITION of the writings of the late Professor Green will include a selection from his unpublished papers, and all his printed works except the 'Prolegomena to Ethics' (Oxford, 1883). to The first volume consists of his two principal pieces of philosophical criticism. The Introductions' Hume's Treatise of Human Nature' were originally published in 1874, in the first and second volumes of the edition of Hume's works which he and Mr. T. H. Grose were preparing for Messrs. Longman. He had always been convinced that the English speculation of the last hundred years had been stationary or retrograde because it had not really faced the problem which Hume had bequeathed to it, and that the first condition of progress was a thorough re-examination of the foundations upon which, though Hume had shown their instability, it was still consciously or unconsciously building. Thus the history and criticism of the English philosophy of the seventeenth and eighteenth centuries had long engaged his attention, and formed the subject of repeated courses of lectures, several drafts of which still remain among his papers. His results were finally embodied in the two Introductions,' which form an elaborate critical exposition of the metaphysical and |