Abu Bakr ibn Abi Dawud: He was one of the Hadith scholars
Abu Hatim al-Razi: He praised him extensively and mentioned him with Fiqh and knowledge
Abu Hatim ibn Habban al-Busti: He was one of the collectors of Hadith and travelers in it, with vigilance, piety, defending the doctrine, and being strict against the people of innovation
Abu Abd Allah al-Hakim al-Naysaburi: Some of our sheikhs in Merv told me that he was compared to Ibn al-Mubarak in his time
Ahmad ibn Shu'ayb al-Nasa'i: Trustworthy, and once: There is nothing wrong with him
Ibrahim ibn Ishaq al-Harbi: The virtuous man, we knew him for his virtue and piety
Ibn Hajar al-'Asqalani: The Faqih, Trustworthy Hadith Scholar
al-Daraqutni: He traveled to al-Sham and Egypt and wrote. He has a book on the history of Merv, and he is trustworthy in Hadith
al-Dhahabi: He is compared to Ibn al-Mubarak in his time
al-Mizzi: The Imam of the Hadith scholars in his country in terms of knowledge, literature, asceticism, and piety
Muslim ibn al-Qasim al-Andalusi: Trustworthy