Al-Adab Al-Mufrad
Al-Adab Al-Mufrad 313
حَدَّثَنَا خَالِدُ بْنُ مَخْلَدٍ، قَالَ: حَدَّثَنَا سُلَيْمَانُ بْنُ بِلاَلٍ، عَنْ عُبَيْدِ اللهِ بْنِ سَلْمَانَ، عَنْ أَبِيهِ، عَنْ أَبِي هُرَيْرَةَ رَضِيَ اللَّهُ عَنْهُ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ: لاَ يَنْبَغِي لِذِي الْوَجْهَيْنِ أَنْ يَكُونَ أَمِينًا.
Unreviewed translation. All hadiths in this collection are available in five languages. Titles and introductions may remain in Arabic.
Khalid ibn Makhlad narrated to us: Sulayman ibn Bilal narrated to us, from ‘Ubayd Allah ibn Salman, from his father, from Abu Hurayra, may Allah be pleased with him, from the Prophet ﷺ, who said: ‘A two-faced person should not be trusted.’
Notes and open questions — unreviewed
The Arabic literally says it is not fitting for a person of two faces to be trustworthy; the witness renders this idiomatically as ‘cannot be trusted.’