Abu Abd Allah al-Hakim al-Nishapuri: Imam of the Shafi'is
Abu Ya'la al-Khalili: Thiqah Hafiz Faqih
Al-Khatib al-Baghdadi: A Hafiz, pious, one of the most knowledgeable Sheikhs
Al-Daraqutni: In the questions of Abu Abd al-Rahman al-Salami, he said: I have not seen anyone who memorized more than him, and once: I have not seen anyone like him among our Sheikhs, and we have not seen anyone who memorized the chains of narration and texts more than him
Al-Dhahabi: Imam al-Hafiz