Gulen, M. Fethullah Pearls of wisdom / M. Fethullah Gulen - New Jersey : Tughra Books, 2010. - xvii, 109 pages. ; 23 cm. ISBN: 9781932099843 (pbk.) Subjects--Topical Terms: Islamic ethicsPhilosophy, IslamicIslam --Doctrines LC Class. No.: BJ1291