Abu Hatim al-Razi: There is nothing wrong with him
Ibrahim ibn Ishaq al-Harbi: He was a man of Sunnah
Ibn Hajar al-Asqalani: Trustworthy, one of the scholars of Arabic
Al-Dhahabi: The reciter, Imam, grammarian, Basran, the Hadith scholar, narrates a little
Zahir ibn Harb al-Nasa'i: There is nothing wrong with him, but he did not memorize
Ma'mar ibn al-Muthanna: He was the most knowledgeable of people in the Quran, Arabic, the Arabs and their days, poetry, and the days of the people
Yahya ibn Ma'in: Trustworthy, and once said, there is nothing wrong with him