Jami` at-Tirmidhi, Hadith 2515 ⓘ
Anas narrated that the Prophet(s.a.w) said: "None of you believes until he loves for his brother what he loves for himself."
حَدَّثَنَا سُوَيْدُ بْنُ نَصْرٍ، أَخْبَرَنَا عَبْدُ اللَّهِ بْنُ الْمُبَارَكِ، عَنْ شُعْبَةَ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " لاَ يُؤْمِنُ أَحَدُكُمْ حَتَّى يُحِبَّ لأَخِيهِ مَا يُحِبُّ لِنَفْسِهِ " . قَالَ هَذَا حَدِيثٌ صَحِيحٌ .
also referenced under: Book 37, Hadith 2705 (In-Book) & Volume 4, Book 35, Hadith 2515 (DarusSalam)