وَلَا تَبۡخَسُوا النَّاسَ اَشۡيَآءَهُمۡ وَلَا تَعۡثَوۡا فِىۡ الۡاَرۡضِ مُفۡسِدِيۡنَۚ
And do not give to the people their things (weighing) less than what is due, nor provoke strife in the land (by such moral, economic and social corruption and fraud).