وَاَوْفُوا الْكَيْلَ اِذَا كِلْتُمْ وَزِنُوْا بِالْقِسْطَاسِ الْمُسْتَقِيْمِؕ ذٰلِكَ خَيْرٌ وَّاَحْسَنُ تَاْوِيْلًا ٣٥
Translation
When you measure, observe fully the measure, [and] weigh with an even balance. That is better and more favourable with respect to the outcome [in the Hereafter].