On the authority of Abu Muhammad Abdullah bin ’Amr bin al-’Aas (may Allah be pleased with him) who said: The Messenger of Allah (peace and blessings of Allah be upon him) said, “None of you [truly] believes until his desires are subservient to that which I have brought.” [Imam an-Nawawi says:] We have related it in Kitab al-Hujjah with a saheeh chain of narrators