Sahih
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