Muwatta Malik · Hadith 1432

حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ عَمْرِو بْنِ يَحْيَى الْمَازِنِيِّ، عَنْ أَبِيهِ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏ "‏ لاَ ضَرَرَ وَلاَ ضِرَارَ ‏"‏ ‏.‏

Yahya related to me from Malik from Amr ibn Yahya al-Mazini from his father that the Messenger of Allah, may Allah bless him and grant him peace, said, "There is no injury nor return of injury

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).