1950 – ʿUbayd Allah ibn Muḥammad ibn Aḥmad related to us; Jaʿfar ibn Muḥammad narrated to us; he said: ʿAlī ibn Aḥmad al-Fārisī related to us; he said: Abū Ghassān narrated to us, from Isrāʾīl, from Simāk, from al-Nuʿmān ibn Bashīr, who said: ʿUmar declared, “Sincere repentance is for a servant to abstain from the evil deed he used to practice, then to repent to Allah for it and never return to it ever again. That is sincere repentance.”