Muwatta Imam Malik Book of Judgements, Hadith 31

Yahya related to me from Malik from Amr ibn Yahya al-Mazini from his father that the Messenger of Allah ﷺ said, "There is no injury nor return of injury."

حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ عَمْرِو بْنِ يَحْيَى الْمَازِنِيِّ، عَنْ أَبِيهِ، أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ " لاَ ضَرَرَ وَلاَ ضِرَارَ " .