The Book of Virtue, Enjoining Good Manners, and Joining of the Ties of Kinship
Ṣaḥīḥ Muslim 6632
تَجِدُونَ مِنْ شَرِّ النَّاسِ ذَا الْوَجْهَيْنِ الَّذِي يَأْتِي هَؤُلاَءِ بِوَجْهٍ وَهَؤُلاَءِ بِوَجْهٍ
tajidūna 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:You will find the worst amongst the people one having double face. He comes to some people with one face and to the others with the other face
Source
Ṣaḥīḥ Muslim · 6632
Ṣaḥīḥ