Abu Abd Allah al-Hakim al-Naysaburi: A religious, firm, reliable, and prominent man of his time
Ibn Abi Hatim al-Razi: He is trustworthy, I wrote from him
Abd al-Hayy ibn al-'Imad al-Hanbali: He is firm, an argument can be based on him
Abd al-Rahim ibn Abd al-Karim al-Qushayri: The most knowledgeable of them in hadith and the most memorizing of it
Muhammad ibn Ya'qub al-Akhram: Trustworthy