Abu 'Abdullah al-Hakim al-Nishapuri: He was one of the Imams of the Muslims
Ahmad ibn Siyar al-Marwazi: He used to show the matter of hadith and facilitated the opinion of his side
Ibn Hajar al-'Asqalani: Trustworthy
Al-Khatib al-Baghdadi: He was religious, pious, trustworthy
Al-Daraqutni: Trustworthy
Al-Dhahabi: Trustworthy, pious