The 1871 edition of the Works originated, I believe, in an essay on “The Real World of Berkeley,” which I gave to _Macmillan’s Magazine_ in 1862, followed by another in 1864, in the _North British Review_. These essays suggested advantages to contemporary thought which might be gained by a consideration of final questions about man and the universe, in the form in which they are presented by a philosopher who has suffered more from misunderstanding than almost any other modern thinker. During a part of his lifetime, he was the foremost metaphysician in Europe in an unmetaphysical generation. And in this country, after a revival of philosophy in the later part of the eighteenth century, _idea_, _matter_, _substance_, _cause_, and other terms which play an important part in his writings, had lost the meaning that he intended; while in Germany the sceptical speculations of David Hume gave rise to a reconstructive criticism, on the part of Kant and his successors, which seemed at the time to have little concern with the _a posteriori_ methods and the principles of Berkeley. The success of the attempt to recall attention to Berkeley has far exceeded expectation. Nearly twenty thousand copies of the three publications mentioned above have found their way into the hands of readers in Europe and America; and the critical estimates of Berkeley, by eminent writers, which have appeared since 1871, in Britain, France, Germany, Denmark, Holland, Italy, America, and India, confirm the opinion that his Works contain a word in season, even for the twentieth century. Among others who have delivered appreciative criticisms of Berkeley within the last thirty years are J.S. Mill, Mansel, Huxley, T.H. Green, Maguire, Collyns Simon, the Right Hon. A.J. Balfour, Mr. Leslie Stephen, Dr. Hutchison Stirling, Professor T.K. Abbott, Professor Van der Wyck, M. Penjon, Ueberweg, Frederichs, Ulrici, Janitsch, Eugen Meyer, Spicker, Loewy, Professor Höffding of Copenhagen, Dr. Lorenz, Noah Porter, and Krauth, besides essays in the chief British, Continental, and American reviews. The text of those Works of Berkeley which were published during his lifetime, enriched with a biographical Introduction by Mr. A.J. Balfour, carefully edited by Mr. George Sampson, appeared in 1897. In 1900 Dr. R. Richter, of the University of Leipsic, produced a new translation into German of the _Dialogues between Hylas and Philonous_, with an excellent Introduction and notes. These estimates form a remarkable contrast to the denunciations, founded on misconception, by Warburton and Beattie in the eighteenth century. ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐