Surah Al-Mutaffifin · The Defrauding · Verse 3/36

Qur'an 83:3

وَإِذَا كَالُوهُمْ أَو وَّزَنُوهُمْ يُخْسِرُونَ

But if they give by measure or by weight to them, they cause loss.

Quran 83:3 — Al-Mutaffifin (المطففين)