It was narrated that 'Ata bin Abu Maimunah said:
"I only know it from Anas bin Malik who said: 'No case involving retaliation was referred to the Messenger of Allah (ﷺ) but he enjoined forgiveness." (FR)
English reference (FR): Vol. 3, Book 21, Hadith 2692 (FR)
Arabic reference (FR): Book 21, Hadith 2795 (FR)