Musannaf Ibn Abi Shayba 17:1270

Hassan ibn Musa narrated to us, he said: Hammad ibn Salamah narrated to us, from Sa'id al-Jurayri, from Abu Nadra, from Usayr ibn Jabir, that Uwais al-Qarani, when he would speak, his speech would fall upon our hearts in a way that no other speech would.