Abū Sa'īd narrated to us, saying: Ishāq ibn Yahyā narrated to us, saying: Muhammad ibn Ubayd narrated to us, saying: Hāshim ibn al-Barīd narrated to us from his father, who said: I heard Zayd ibn Alī say, “To disavow Abū Bakr and Umar (may Allah be pleased with them both) is to disavow Alī (may Allah be pleased with him).”