Abu Abd Allah al-Hakim al-Naysaburi: One of the best Muslims, among those who were known for their extensive travels, listening, and journeys in pursuit of hadith
Abu Nasr ibn Makula: Trustworthy, Preserver
al-Khatib al-Baghdadi: I wrote a lot from him and he was trustworthy, truthful, knowledgeable, a preserver, people would listen to his benefit, and they would write from his selection
al-Dhahabi: The Imam, the Hadith scholar, the honor of the hadith scholars, he wrote the high and the low, he collected and compiled, and he excelled in the science of hadith