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An-Nawawy’s Forty Hadiths: (13) Obligation of Loving All Muslims
On the authority of Abu Hamzah Anas ibn Malek (may Allah be pleased with him), the servant of the Messenger of Allah (peace and blessings of Allah be upon him) who reported that the Prophet (peace and blessings of Allah be upon him) said, "None of you [truly] believes until he loves for his brother that which he loves for himself." (Bukhari & Muslim)
