Abu Hatim ibn Hibban al-Busti: He mentioned him in al-Thiqat and said: He was born in al-Shajara during the Farewell Pilgrimage
Ibn Hajar al-Asqalani: He had a vision
Ali ibn Abi Talib: He used to praise him and prefer him, because he was devout and striving
Muhammad ibn Isma'il al-Bukhari: He was born in the year of the Farewell Pilgrimage