Jami` at-Tirmidhi 2825
جامع الترمذي#2825Sahihحَدَّثَنَا هَنَّادٌ، قَالَ حَدَّثَنَا أَبُو مُعَاوِيَةَ، عَنِ الأَعْمَشِ، ح قَالَ وَحَدَّثَنِي ابْنُ أَبِي عُمَرَ، حَدَّثَنَا سُفْيَانُ، عَنِ الأَعْمَشِ، عَنْ شَقِيقٍ، عَنْ عَبْدِ اللَّهِ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِذَا كُنْتُمْ ثَلاَثَةً فَلاَ يَتَنَاجَى اثْنَانِ دُونَ صَاحِبِهِمَا " . وَقَالَ سُفْيَانُ فِي حَدِيثِهِ " لاَ يَتَنَاجَى اثْنَانِ دُونَ الثَّالِثِ فَإِنَّ ذَلِكَ يُحْزِنُهُ " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ . - وَقَدْ رُوِيَ عَنِ النَّبِيِّ صلى الله عليه وسلم أَنَّهُ قَالَ " لاَ يَتَنَاجَى اثْنَانِ دُونَ وَاحِدٍ فَإِنَّ ذَلِكَ يُؤْذِي الْمُؤْمِنَ وَاللَّهُ عَزَّ وَجَلَّ يَكْرَهُ أَذَى الْمُؤْمِنِ " . وَفِي الْبَابِ عَنِ ابْنِ عُمَرَ وَأَبِي هُرَيْرَةَ وَابْنِ عَبَّاسٍ .
Narrated 'Abdullah:that the Messenger of Allah (ﷺ) said: "Whenever there are three of you, then let two not converse in exclusion of their companion
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: 43:99