Muḥammad b. al-Ḥasan b. Aḥmad b. al-Walīd narrated to us, saying that Muḥammad b. al-Ḥasan al-Ṣaffār narrated to him among others, saying that al-ʿAbbās b. Maʿrūf narrated to him among others, saying that ʿAlī b. Mahziyār, from al-Ḥasan b. Saʿīd, from Zarʿa, from al-Mufaḍḍal b. ʿUmar, from Abī ʿAbd Allāh, Jaʿfar b. Muḥammad al-Ṣādiq عليه السلام, who said: “My father—Abū Jaʿfar al-Bāqir عليه السلام—used to join them (i.e., Shaʿbān and the month of Ramaḍān) together, and he used to say: “Fasting for two consecutive months constitutes (the acceptance of) repentance from Allāh.”