Ibn Khallikan said that he had heard that Ibn al-Ṣalāḥ had repeatedly read al-Muhathab, one of the primary texts of the Shafi'i Madh'hab, "before his mustache had grown."
Ibn Hallikan ka thënë se ka ndëgjuar se Ibn el-Salah e lexonte vazhdimisht al-Muhathab, një prej teksteve kryesore të Medh-hebit Shafi'i "para se mustaqet e tij filluan të rriten".