وَأَوْفُوا۟ ٱلْكَيْلَ إِذَا كِلْتُمْ وَزِنُوا۟ بِٱلْقِسْطَاسِ ٱلْمُسْتَقِيمِ ۚ ذَٰلِكَ خَيْرٌۭ وَأَحْسَنُ تَأْوِيلًۭا
And give full measure when you measure, and weigh with an even balance. That is the best [way] and best in result.
Uthmani script · Saheeh International · Quran 17:35