Shifa al-Sa'il Treaties of Tasawwufابن خلدون : شفاء السائل و تهذيب المسائلBy Ibn Khaldun Arabic: Dar al-Fikr, Damascus 1996 Engllish transl. by Yomma Adal, Indiana Univ. 1990 Excerpt: On the Necessity of Following a Shaykh View PDF | Download