Musannaf Ibn Abi Shaybah

Hazrat Shaddad Abu Ammarah (may Allah be pleased with him) narrates that I went to Hazrat Wasila (may Allah be pleased with him) while some people were sitting with him. Those people mentioned Hazrat Ali (may Allah be pleased with him) and then began to abuse him, so I also spoke ill of him along with them. Then Hazrat Wasila (may Allah be pleased with him) said: Shall I not tell you about the hadith which I myself heard from the Messenger of Allah (peace and blessings be upon him)? I said: Why not, please do tell. He (may Allah have mercy on him) said: I went to Hazrat Fatimah (may Allah be pleased with her) and asked her about Hazrat Ali (may Allah be pleased with him). She replied: He has gone to the Messenger of Allah (peace and blessings be upon him). So I sat down and waited for the Messenger of Allah (peace and blessings be upon him) to arrive, while Hazrat Ali (may Allah be pleased with him), Hazrat Hasan (may Allah be pleased with him), and Hazrat Husain (may Allah be pleased with him) were also with him. All of them were holding each other's hands until they entered the house. Then the Messenger of Allah (peace and blessings be upon him) brought Hazrat Ali (may Allah be pleased with him) and Hazrat Fatimah (may Allah be pleased with her) close to him and seated them in front of him. He also seated Hazrat Hasan (may Allah be pleased with him) and Hazrat Husain (may Allah be pleased with him); both of them were on his lap. Then the Messenger of Allah (peace and blessings be upon him) covered all of them with his garment or cloak. Then he recited this verse: O people of the house of the Prophet! Allah only wishes to remove impurity from you. Then the Messenger of Allah (peace and blessings be upon him) said: O Allah! These are my household. And my household are the most deserving of me.