The Messenger of Allah ﷺ came out to us and said, "Every prophet has an estate and dependents he leaves behind. My estate and my dependents are the Ansar, so honor me by caring for them."
خرج علينا رسول الله ﷺ فقال: ألا إن لكل نبي تركة وضيعة، وإن تركتي وضيعتي الأنصار، فاحفظوني فيهم.
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Tabarani narrated it in Al-Awsat (5394), from Muhammad bin Ahmad bin Abu Khaythama, who said, Walid bin Shuja narrated to us, who said, Umar bin Hafs bin Thabit Ansari narrated to us, from Abdul-Rahman bin Abu Rijal, from Rabia bin Abu Abdul-Rahman, from Anas bin Malik who said, and then he mentioned it.Its chain is hasan because of Abdul-Rahman bin Abu Rijal, whose hadith is hasan, and likewise Umar bin Hafs bin Thabit, Abu Saeed, also called Abu Saad, about whom Abu Hatim said, "There is no harm in his hadith" (Al-Jarh wal-Tadil 9/379). Haythami mentioned it in Al-Majma (10/32) and said, "Tabarani narrated it in Al-Awsat, and its chain is good."