An-Nawawi's 40 Hadith 13
الأربعون النووية#13Not gradedعَنْ أَبِي حَمْزَةَ أَنَسِ بْنِ مَالِكٍ رَضِيَ اللهُ عَنْهُ خَادِمِ رَسُولِ اللَّهِ صلى الله عليه و سلم عَنْ النَّبِيِّ صلى الله عليه و سلم قَالَ: لَا يُؤْمِنُ أَحَدُكُمْ حَتَّى يُحِبَّ لِأَخِيهِ مَا يُحِبُّ لِنَفْسِهِ . رَوَاهُ الْبُخَارِيُّ [رقم:13]، وَمُسْلِمٌ [رقم:45].<br>[رَوَاهُ الْبُخَارِيُّ] ، [وَمُسْلِمٌ]
On the authority of Abu Hamzah Anas bin Malik (may Allah be pleased with him) — the servant of the Messenger of Allah (peace and blessings of Allah be upon him) — 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. [Al-Bukhari] [Muslim]
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:
Our source carries no per-scholar grade for this narration. Please verify on Sunnah.com or with a qualified scholar before relying on it.
In-book reference: 1:13