It was in Belbeletti that the Sheikh could teach all sorts of Subjects, from the major Islamic disciplines up to the Arabian and Persian antiquities, from the Greeko-Roman philosophies up to the East African and Indian Medicine, from the Ethnology and History of the Oromos up to the classical Arabic Language and Poetry. Many students whom he taught had witnessed his ability to deliver sermons, his deep knowledge of Islamic subjects and their interpretations, his ability to handle his students, the harmonies community that he established, and above all his humanitarian approaches and his piety.[16]