Al-Sharīf Abū l-Ḥasan Muḥammad b. al-Ḥusayn al-Mūsawī al-Raḍī (d. 406/1015) was an eminent Baghdadi Twelver Shīʿī scholar and littérateur of the Muʿtazilī theological school, one of the most important intellectuals of his time. He is best known for his compilation of the orations, epistles, and sayings of the first Shīʿī Imām and the fourth Sunnī caliph, ʿAlī b. Abī Ṭālib (r. 35–40/656–61, d. 40/661), titled Nahj al-balāgha (“The measure of eloquence”). He was the appointed naqīb al-ashrāf (chief of the prophet Muḥammad’s descend…