Muwatta Malik· موطأ مالك
Muwatta Malik 1824
Two must not converse secretly to the exclusion of another person
মুয়াত্তা ইমাম মালিক ১৮২৪ · মুয়াত্তা মালিক•Speech
وَحَدَّثَنِي مَالِكٌ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " إِذَا كَانَ ثَلاَثَةٌ فَلاَ يَتَنَاجَى اثْنَانِ دُونَ وَاحِدٍ " .
Narrator: Malik
Malik related to me from Nafi from Abdullah ibn Umar that the Messenger of Allah, may Allah bless him and grant him peace, said, "Two must not converse secretly to the exclusion of another person- Salim al-HilaliSahih