Abu Hatim bin Hibban al-Busti: One of the rightly guided Caliphs who revived the Sunnah that was dead before him and followed the path of the four Caliphs before him
Ayyub bin Abi Tamima al-Sakhtiyani: We do not know anyone we met who took more from the Prophet of Allah than him
Ibn Hajar al-Asqalani: Amir al-Mu'minin, counted among the rightly guided Caliphs
al-Mizzi: The just Imam, and the righteous Caliph, was one of the Imams of justice, religion, and virtue
Sufyan bin Uyainah: Imam
Malik bin Anas: Imam
Mujahed bin Jabr: We came to him to teach him, but we did not leave until we learned from him
Muhammad bin Saad al-Waqidi: He was trustworthy and reliable, possessing fiqh, knowledge, and piety. He narrated many hadiths and was a just Imam
Mimun bin Mihran al-Jazari: The scholars were nothing but students to Umar bin Abd al-Aziz