al-Qaṭṭān: and such a narration is not authentic. For it includes Aws ibn ... who is a rejected narrator. Abū Dāwūd narrated from him his saying: "He did not take omens," and he said: its isnād is authentic. I said: the correct view is the authentication by ʿAbd al-Ḥaqq, and it is not an authentication in itself to be refuted by what Ibn al-Qaṭṭān criticized, but rather it is according to the detail I mentioned. So pay attention and do not be among the heedless. Then I found a supporting narration for the ḥadīth from Ibn ʿAbbās (raḍiya Allāhu ʿanhumā) reported with the wording "He would be optimistic and not take omens." Its extraction will be discussed soon, if Allāh wills, under number (778).

"The most grievous sin among people is committed by a poet who satirizes an entire tribe and a man who denies his father." It was recorded by al-Bukhārī in "al-Adab al-Mufrad" (126): Qutaybah narrated to us, Jareer narrated from al-Aʿmash from ʿAmr ibn Murrah from Yūsuf ibn Māhak from ʿUbayd ibn ʿUmayr from ʿĀʾishah, raised [to the Prophet]. al-Ḥāfiẓ said in "al-Fatḥ" (10/443): "Its chain is good." I said: In my opinion, this is an understatement; rather, it is authentic, for all its narrators are reliable and trustworthy, from the narrators of the six [books]. It was also recorded by Ibn Mājah (2/411) through the route of Shaybān from al-Aʿmash with the wording: "The most grievous falsehood among people is by a man who reviles another man and thus reviles the entire tribe, and a man who denies his father and commits adultery with his mother." It was said in "al-Zawāʾid" (227/1):