Abu Hatim al-Razi: Thiqah (trustworthy), Hafiz (memorizer of Hadith), Muttaqin (pious)
Abu Hatim ibn Habban al-Busti: He mentioned him among the Thiqat and said: He was the most pious of his time and did not find anyone he narrated from
Abu Dawud al-Sijistani: Very Hafiz
Abu Zar'ah al-Razi: More reliable than Qabisa
Ahmad ibn Hanbal: Reliable, and once: Truthful, trustworthy, a source of evidence, and once: More reliable than Wakee
Ahmad ibn Shu'ayb al-Nasa'i: Thiqah, trustworthy
Ahmad ibn Salih al-Jili: Thiqah, reliable
Ahmad ibn Salih al-Misri: I have not seen a more truthful narrator of Hadith than him, and he used to practice Tadlis
Ibn Hajar al-'Asqalani: Thiqah, reliable, and once: One of the most reliable, Ahmad ibn Hanbal considered him equal in reliability to Abd al-Rahman ibn Mahdi, the majority accepted his narrations, he was accused of Shi'ism
Al-Khatib al-Baghdadi: He was humorous and witty, along with his piety, trustworthiness, and honesty
Al-Dhahabi: The Hafiz
Abd al-Rahman ibn Mahdi: A reliable authority
Uthman ibn Abi Shaybah al-'Absi: He used to say: Al-Asad narrated to us
Ali ibn al-Madini: One of the Thiqat, and he considered him one of the most reliable companions of al-Thawri
Muhammad ibn Sa'd, the scribe of al-Waqidi: Thiqah, trustworthy, narrated many Hadiths, an authority
Muhammad ibn Abdullah al-Makhrami: I have not seen anyone with a book more accurate than his
Muhammad ibn 'Amr al-Mawsili: Precise, Hafiz, if he narrates from reliable sources, then his Hadith is a proof
Wakee' ibn al-Jarrah: If he agrees with me, I do not care who disagrees with me
Yahya ibn Ma'in: I have not seen anyone more reliable than Abu Nu'aym and 'Uffan, and in the narration of Ibn Muharriz from him: He considered him among the Thiqat
Ya'qub ibn Sufyan al-Fasawi: Our companions agreed that he was extremely pious
Ya'qub ibn Shaybah al-Siduusi: Thiqah, reliable, truthful