﴿ يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوا۟ لَا تَخُونُوا۟ ٱللَّهَ وَٱلرَّسُولَ وَتَخُونُوٓا۟ أَمَٰنَٰتِكُمْ وَأَنتُمْ تَعْلَمُونَ ﴾

“[Hence,] O you who have attained to faith, do not be false to God and the Apostle, and do not knowingly be false to the trust that has been reposed in you;”

Please check ayah 8:28 for complete tafsir.