Reviews of the first edition: 'What makes the book invaluable are Fakhry's detailed synopses and quotations from countless Arabic treatises and his judicious objectivity in assessing the plethora of theories surveyed.' J. Bussanich, Choice, 1992. '...une bonne description des types et des auteurs retenus.' C. Gilliot, Revue des sciences philosophiques et théologiques, 1992. 'This study deserves to become the essential textbook on the subject.' J.S. Nielsen, Theological Book Review, 1991. '...will be of great benefit to both the student of Islamic Ethics and to the general learned readers...' Ali Paya, The Muslim News, 1994. 'This is a thorough, high-minded reference book...' Muslim World, 1992. 'This is an essential textbook for every student and scholar ofIslamic Studies...a work of distinction' Ian Richard Netton, Journal Semitic St., 1992. '...M. F: est parvenu à donner une bonne description des types et des auteurs retenus-' C. Gilliot, Revue Sc. Phil. & Theol., 1992 '...un ouvrage utile et de grande qualité.' J.J., Studia Islamica, 1993. '...excellent ouvrage...' Guy Monnot, Bulletin Critique, 1992.