Sahih al-Bukhari #8
Sahih (Authentic)
Faith
لاَ يُؤْمِنُ أَحَدُكُمْ حَتَّى يُحِبَّ لأَخِيهِ مَا يُحِبُّ لِنَفْسِهِ
The Prophet (ﷺ) said, 'None of you will have faith till he wishes for his (Muslim) brother what he likes for himself.'
Chain of Narration (Isnad)
Narrated Anas bin Malik