A Treasury of Virtues is a collection by the Fatimid Shafiʿi judge al-Qudaʿi (d. 454 H/1062 AD) of sayings, sermons, and teachings attributed to ʿAli ibn Abi Talib (d. 40 H/661 AD). ʿAli was the cousin and son-in-law of the Prophet Muhammad, the first Shia Imam and the fourth Sunni Caliph. An acknowledged master of Arabic eloquence and a sage of Islamic wisdom, Ali was renowned for his words, which were collected, quoted, and studied over the centuries, and extensively anthologized, excerpted, and interpreted.

Of the many compilations of ʿAli's...