The Book of Virtue, Enjoining Good Manners, and Joining of the Ties of Kinship
Ṣaḥīḥ Muslim 6630
إِنَّ مِنْ شَرِّ النَّاسِ ذَا الْوَجْهَيْنِ الَّذِي يَأْتِي هَؤُلاَءِ بِوَجْهٍ وَهَؤُلاَءِ بِوَجْهٍ
inna min sharri an-nāsi dhā al-wajhayni adh-dhī yaʾtī haʾulāʾi biwajhin wahaʾulāʾi biwajhin
Transliteration generated from the Arabic vowel marks
The full narration
Abu Huraira reported Allah's Messenger (ﷺ) as saying:The worst amongst the people is the double-faced one; he comes to some people with one face and to others with the other face
Source
Ṣaḥīḥ Muslim · 6630
Ṣaḥīḥ