It is said that he left behind three hundred separate works, among them: Kitāb Daʿāʾim al-Islām (The Pillars of Islam), Kitāb al-Khawātīm (Finger-Rings), Kitāb al-Malāhī (Idle Pastimes), Kitāb Gharīb Ḥadīth al-Aʾimmah (Uncommon Terms in the Hadith of the Imams), Kitāb al-Tawḥīd (Monotheism), and Kitāb Dīn al-Imāmiyyah (The Religion of the Imāmiyyah), and no (1)…

His father, too, was one of their leading authorities and prolific authors.

A number of scholars transmitted ḥadith from Abū Jaʿfar, among them: Ibn al-Nuʿmān al-Mufīd, al-Ḥusayn ibn ʿAbd Allāh ibn al-Faḥḥām, and Jaʿfar ibn Ḥisankīyah al-Qummī.

213 – al-Bāhilī, Abū al-Ḥasan al-Baṣrī *

A distinguished scholar, the shaykh of the theologians, Abū al-Ḥasan al-Bāhilī al-Baṣrī was a disciple of Abū al-Ḥasan al-Ashʿarī. He excelled in rational disciplines and was alert, sharp-witted, eloquent, upright, and devoted in worship.

Ibn al-Bāqillānī said: “Abū Isḥāq al-Iṣfarāʾinī, Abū Bakr ibn Fūrak and I used to attend the lessons of Abū al-Ḥasan al-Bāhilī together. He would teach us once every Friday, lowering a curtain between us and himself. Because of his intense absorption in Allah he was like one possessed or bewildered; he would not even know how far the lesson had progressed until we reminded him. We asked him about the reason for the screen, and he replied, ‘You see the common folk—people lost in heedlessness—so you would look at me with the same eyes with which you look at them.’ ”

So strict was his seclusion that he even kept himself screened from his own maid-servant.

Al-Ustadh al-Iṣfarāʾinī said: “As for me, beside our shaykh Abū al-Ḥasan al-Bāhilī…"