Bayan Al-Hadith › Sahih Muslim › The Book of Greetings
Sahih Muslim 2183aصحيح مسلم 2183a
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " إِذَا كَانَ ثَلاَثَةٌ فَلاَ يَتَنَاجَى اثْنَانِ دُونَ وَاحِدٍ " .
Ibn Umar reported Allah's Messenger (ﷺ) as saying: When there are three (persons), two should not converse secretly between themselves to the exclusion of the (third) one.
Grading
Sahih (authentic by the consensus of hadith scholars)
Chain of narrators
يحيى بن يحيى بن بكر ← نافع ← عبد الله بن عمر
Yahya ibn Yahya ibn Bakr → Nafi' → Ibn `Umar