Sunan Ibn Majah 2340
سنن ابن ماجه#2340Sahihحَدَّثَنَا عَبْدُ رَبِّهِ بْنُ خَالِدٍ النُّمَيْرِيُّ أَبُو الْمُغَلِّسِ، حَدَّثَنَا فُضَيْلُ بْنُ سُلَيْمَانَ، حَدَّثَنَا مُوسَى بْنُ عُقْبَةَ، حَدَّثَنَا إِسْحَاقُ بْنُ يَحْيَى بْنِ الْوَلِيدِ، عَنْ عُبَادَةَ بْنِ الصَّامِتِ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَضَى أَنْ " لاَ ضَرَرَ وَلاَ ضِرَارَ " .
It was narrated from 'Ubadah bin Samit that the Messenger of Allah (ﷺ) ruled:“There should be neither harming nor reciprocating harm.”
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih Lighairihi
Zubair Ali ZaiDaif
In-book reference: 13:33