Sunan an-Nasa'i 5017
سنن النسائي#5017Sahihأَخْبَرَنَا مُوسَى بْنُ عَبْدِ الرَّحْمَنِ قَالَ حَدَّثَنَا أَبُو أُسَامَةَ عَنْ حُسَيْنٍ وَهُوَ الْمُعَلِّمُ عَنْ قَتَادَةَ عَنْ أَنَسٍ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ وَالَّذِي نَفْسُ مُحَمَّدٍ بِيَدِهِ لَا يُؤْمِنُ أَحَدُكُمْ حَتَّى يُحِبَّ لِأَخِيهِ مَا يُحِبُّ لِنَفْسِهِ مِنْ الْخَيْرِ
It was narrated from Anas that :The Messenger of Allah [SAW] said: "By the One in Whose hand is the soul of Muhammad, none of you has believed until he loves for his brother what he loves for himself of goodness
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 47:33