Griffithes Wheeler Thatcher, 1911 Encyclopædia Britannica, Volume 10… (1911)
“ Here and at Marāgha, whither he followed his teacher Majd ud-Dīn ul-Jilī, he studied philosophy and theology. He was a Shafʽite in law and a follower of Ashʽarī (q.v.) in theology, and became renowned as a defender of orthodoxy. During a journey in Khwarizm and Mawara’l-nahr he preached both in Persian and Arabic against the sects of Islam. After this tour he returned to his native city, but settled later in Herat, where he died. ”
