﴿وَأَوْفُوا الْكَيْلَ إِذَا كِلْتُمْ وَزِنُوا بِالْقِسْطَاسِ الْمُسْتَقِيمِ ۚ ذَٰلِكَ خَيْرٌ وَأَحْسَنُ تَأْوِيلًا﴾
(35) And give full measure when you measure, and weigh with an even [i.e., honest] balance. That is the best [way] and best in result.