And to (the people of) Midian We sent their brother Shu'ayb.4
He said: 'My people! Serve Allah; you have no god other than Him. And do not
diminish the measure and weight. Indeed I see that you are prospering now, but
I fear for you the chastisement of an encompassing day in the future.
Tafheem-ul-Quran - Abul Ala Maududi