And to (the people of) Midian (We sent) their brother Shu`aib. He said, `O my people! worship Allâh for you have no One worthy of worship other than Him. A clear proof (to this effect) has already come to you from your Lord, so give full measure and (full) weight, and do not cheat people of their goods, nor create disorder in the land after the fair ordering therein. This indeed is best for you, if you are true believers.