جامع الترمذي

Narrated Abu As-Safar: "A man from the Quraish broke a tooth of a man from the Ansar. So he appealed to Mu'awiyah against him. He said to Mu'awiyah: 'O Commander of the Believers! This person broke one of my teeth.' Mu'awiyah said: 'We will try to get satisfaction for you.' And the other person insisted that Mu'awiyah get him to agree [but he was not satisfied]. So Mu'awiyah said him: 'It is up to your companion.' Abu Ad-Darda' was sitting with him, so Abu Ad-Darda said: 'I heard the Messenger of Allah (ﷺ) saying [he said: 'My ears heard and my heart remembered]: "There is no man who is struck in his body and he forgives for it, except that Allah raises him a level and removes a sin from him.'" The Ansari said: 'Did you hear that from the Messenger of Allah (ﷺ)?' He said: "My ears heard it and my heart remembered it.' He said: 'Then I will leave it to him.' Mu'awiyah said: 'Surely you should not suffer.' So he ordered that he be given some wealth."