Quran Al-Anfal 8:27
يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُواْ لَا تَخُونُواْ ٱللَّهَ وَٱلرَّسُولَ وَتَخُونُوٓاْ أَمَٰنَٰتِكُمۡ وَأَنتُمۡ تَعۡلَمُونَ ٢٧
Translation
O you who have believed, do not betray Allāh and the Messenger or betray your trusts while you know [the consequence].