Jami` at-Tirmidhi 1994
جامع الترمذي#1994Da'ifحَدَّثَنَا فَضَالَةُ بْنُ الْفَضْلِ الْكُوفِيُّ، حَدَّثَنَا أَبُو بَكْرِ بْنُ عَيَّاشٍ، عَنِ ابْنِ وَهْبِ بْنِ مُنَبِّهٍ، عَنْ أَبِيهِ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " كَفَى بِكَ إِثْمًا أَنْ لاَ تَزَالَ مُخَاصِمًا " . وَهَذَا الْحَدِيثُ حَدِيثٌ غَرِيبٌ لاَ نَعْرِفُهُ إِلاَّ مِنْ هَذَا الْوَجْهِ .
Ibn Abbas narrated that the Messenger of Allah said:"It is enough sin for you that you never stop disputing
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:
Ahmad Muhammad ShakirDaif
Al-AlbaniDaif
Zubair Ali ZaiDaif
In-book reference: 27:100