Imam Ahmad : 13452
حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ حَدَّثَنَا أَبِي حَدَّثَنَا شُعْبَةُ عَنْ قَتَادَةَ عَنْ أَنَسِ بْنِ مَالِكٍ قَالَ قَالَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ لَا يُؤْمِنُ أَحَدُكُمْ حَتَّى يُحِبَّ لِأَخِيهِ مَا يُحِبُّ لِنَفْسِهِ
Narrated to us ['Ubaidulloh bin Mu'adz] Narrated to us [my father] Narrated to us [Syu'bah] from [Qatadah] from [Anas bin Malik] said: The Prophet peace and blessings be upon him said: "None of you is (perfect) in faith until he loves his brother as he loves himself.