Download or read book Principia Ethica written by George Edward Moore and published by Cambridge University Press. This book was released on 1993-11-11 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recognized as the definitive starting point for twentieth-century ethical theory, the text is reprinted with the previously unpublished preface Moore wrote for a planned, but never completed, second edition. "Free Will" and "The Conception of Intrinsic Value" are also included from his later ethical writings.