أَوْفُوا الْكَيْلَ وَلَا تَكُونُوا مِنَ الْمُخْسِرِينَ
﴿١٨١﴾
سورة الشعراء
(26/181) Give full measure (do not have your scales on the negative end) and be not of those who fail (their souls, those whose sins are more than their merits).
Surah Ash-Shu'ara