Chahar Maqalah (The Four Discourses) of Nidhami al-Arudi al-Samarqandi - Gibb Memorial Trust Persian Studies

Written in the middle of the 12th century for a member of the Ghurid family of Bamiyan (in modern Afghanistan) the Four Discourses are concerned with four professions necessary at the Prince's court, those of scribe, poet, astrologer and physician.