The Supplication of Abi Hamza al-Thumali is narrated from Imam Sajjad (a) and is one of the most precious and well-known of prayers, enjoying a high status amongst great scholars. Abi Hamza al-Thumali, the narrator of this beautiful du’a, was one of the prominent students of Imam Zayn al-‘Abidin (a) and this du’a has been named after him.