Abū Ḥamza al-Thumālī, the duʿāʾ of: this is a dawn supplication (duʿāʾ) attributed to ʿAlī b. al-Ḥusayn al-Sajjād (also known as Zayn al-ʿĀbidīn, ‘ornament of the worshippers’), the fourth in the line of the early Shiʿi imams. ‘The Duʿāʾ of Abū Ḥamza’, which is known simply by the name of its transmitter, is one of the longest supplications in Shiʿi liturgy. Without citing any chain of transmission, al-Ṭūsī (p. 582) narrates from Abū Ḥamza al-Thumālī (q.v.) that the Imam al-Sajjād spent the nights of the month of Ramaḍān in prayer (ṣalāt) and recited this supplication at the first li…