Ahmad informed us; Abu Bakr narrated to us. ⦗65⦘

31 – Ibrahim ibn Saʿid narrated to me; he said: Mahbub ibn Musa informed us; he said: ʿAbd Allah ibn al-Mubarak informed us, from Usama ibn Zayd, from Nafiʿ, who said: ʿUmar never turned his face away from the waterskin after tasting it, except when he found that it had already turned into vinegar.