Dr. Mustafa Khattab, the Clear Quran - Surah An-Nahl, ayah 91

Translation of Surah An-Nahl, ayah 91 (16:91)

وَأَوۡفُواْ بِعَهۡدِ ٱللَّهِ إِذَا عَٰهَدتُّمۡ وَلَا تَنقُضُواْ ٱلۡأَيۡمَٰنَ بَعۡدَ تَوۡكِيدِهَا وَقَدۡ جَعَلۡتُمُ ٱللَّهَ عَلَيۡكُمۡ كَفِيلًاۚ إِنَّ ٱللَّهَ يَعۡلَمُ مَا تَفۡعَلُونَ ٩١
Honour Allah’s covenant when you make a pledge, and do not break your oaths after confirming them, having made Allah your guarantor. Surely Allah knows all you do.