Surah An-Nahl — Ayah 95 (16:95)
وَلَا تَشۡتَرُواْ بِعَهۡدِ ٱللَّهِ ثَمَنٗا قَلِيلًاۚ إِنَّمَا عِندَ ٱللَّهِ هُوَ خَيۡرٞ لَّكُمۡ إِن كُنتُمۡ تَعۡلَمُونَ ٩٥
English translation (Saheeh International)
And do not exchange the covenant of Allāh for a small price. Indeed, what is with Allāh is best for you, if only you could know.
Brief commentary
Do not exchange the oath you took in Allah’s name for a small amount, not fulfilling the pledge or not being sincere in it. The victory and booty that Allah has in the world and the perpetual bliss that He has in the afterlife is better for you than the small amount that you take for breaking the pledge, if only you knew that.