2387 – Aḥmad ibn ʿUbayd reported: Muḥammad ibn al-Ḥusayn narrated to us; he said: Aḥmad ibn Naṣr narrated to us; he said: my father narrated to us; Jarīr narrated, from Mughīra, who said, “It was commonly held that insulting Abu Bakr and ʿUmar is counted among the major sins.”