Sunan Ibn Majah, Volume 3, Book 13, Hadith 2341 (DarusSalam) ⓘ
It was narrated from Ibn 'Abbas that the Messenger of Allah said: “There should be neither harming nor reciprocating harm.”
حَدَّثَنَا مُحَمَّدُ بْنُ يَحْيَى، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، أَنْبَأَنَا مَعْمَرٌ، عَنْ جَابِرٍ الْجُعْفِيِّ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لاَ ضَرَرَ وَلاَ ضِرَارَ " .
also referenced under: Hadith 2341 (Reference) & Book 13, Hadith 34 (In-Book)