وَأَقِيمُوا الْوَزْنَ بِالْقِسْطِ وَلَا تُخْسِرُوا الْمِيزَانَ
[55:9]
And keep up the balance with equity and do not make the measure deficient.
So establish weight with justice and fall not short in the balance.
But observe the measure strictly, nor fall short thereof.