Sahih al-Bukhari
Hadith 1848
Book 28 · Hadith 1848
وَعَضَّ رَجُلٌ يَدَ رَجُلٍ ـ يَعْنِي فَانْتَزَعَ ثَنِيَّتَهُ ـ فَأَبْطَلَهُ النَّبِيُّ صلى الله عليه وسلم.
A man bit the hand of another man but in that process the latter broke one incisor tooth of the former, and the Prophet (ﷺ) forgave the latter