Mishkat al-Masabih #161

‘Abdallah b. ‘Amr reported God’s messenger as saying, “None of you is a believer till his desire follows what I have brought.” He transmitted it in Sharh al-sunna ; and an-Nawawi said in his Arba’in, “This is a sound tradition which we have transmitted in Kitab al-hujja with a sound isnad.”