معرفي سهل بن عبدالله تستري، سر سلسله مكتب سهليه

Sahl-ibn-Abdollah Tostary, the founder of Sahliyye School

Sahl-ibn-Abdollah is one of gnostics in third century Higri. He is famous because of his mortification and religious way among gnostics. In this survey his life and works were explained. Sahl is attributed to have several books but there are no more trace available. Another unknown work, states and mind of Sahl, are the subject of this article.