Jami` at-Tirmidhi 2318
جامع الترمذي#2318Sahihحَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا مَالِكُ بْنُ أَنَسٍ، عَنِ الزُّهْرِيِّ، عَنْ عَلِيِّ بْنِ حُسَيْنٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِنَّ مِنْ حُسْنِ إِسْلاَمِ الْمَرْءِ تَرْكَهُ مَا لاَ يَعْنِيهِ " . قَالَ أَبُو عِيسَى وَهَكَذَا رَوَى غَيْرُ وَاحِدٍ مِنْ أَصْحَابِ الزُّهْرِيِّ عَنِ الزُّهْرِيِّ عَنْ عَلِيِّ بْنِ حُسَيْنٍ عَنِ النَّبِيِّ صلى الله عليه وسلم نَحْوَ حَدِيثِ مَالِكٍ مُرْسَلاً وَهَذَا عِنْدَنَا أَصَحُّ مِنْ حَدِيثِ أَبِي سَلَمَةَ عَنْ أَبِي هُرَيْرَةَ . وَعَلِيُّ بْنُ حُسَيْنٍ لَمْ يُدْرِكْ عَلِيَّ بْنَ أَبِي طَالِبٍ .
Ali bin Al-Husain narrated that the Messenger of Allah (s.a.w) said:"Surely, of the excellence of a person's Islam is that he leaves what does not concern him
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — 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. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Our source also lists this ruling under Ahmad Muhammad Shakir, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.
In-book reference: 36:15