Abu Hatim ibn Hibban al-Busti: One of the pious in Hadith, from the people of Medina, resided in Basra, and was among the ascetic and rough people.
Abu Zar'ah al-Razi: I have not written about anyone more honorable in my eyes than him.
Abu Abd Allah al-Hakim al-Naysaburi: Ismail, Abdullah, and Yahya, the sons of Maslamah ibn Qa'nab, were all righteous and trustworthy.
Ahmad ibn Hanbal: The best narrator of Muwatta.
Ahmad ibn Shu'ayb al-Nasa'i: Al-Qa'nabi is superior to Abdullah ibn Yusuf in Muwatta.
Ahmad ibn Salih al-Jili: Trustworthy and righteous.
Ibn Abi Hatim al-Razi: Trustworthy and an authority, more beloved to me, I have not seen anyone more humble than him.
Ibn Hajar al-'Asqalani: Trustworthy and devout.
Al-Dhahabi: One of the prominent figures.
Abd al-Baqi ibn Qani' al-Baghdadi: Trustworthy.
Abdullah ibn Dawud al-Khuraibi: Better than Malik.
Ali ibn al-Madini: I do not prefer anyone over him among the narrators of Muwatta.
Muhammad ibn Sa'd Katb al-Waqidi: Pious and virtuous.
Nasr ibn Marzuq al-Masri: The most knowledgeable of people in Muwatta.
Yahya ibn Ma'in: No one is preferred over him in Muwatta, and in the narration of Ibn Mahriz on his authority, he said: Trustworthy and reliable, he is a truthful man.
Ya'qub ibn Sufyan al-Fasawi: Trustworthy and reliable.