And We sent to Midian their brother Shu‘ayb. He said ‘O my people worship God! affirm His Oneness. You have no god other than He. And diminish not the measure or the weight. I see you in prosperity enjoying a grace which precludes any need for stinting people; and I fear for you should you not believe the chastisement of a besetting day besetting you destroying you the attribution of this term ‘besetting’ to ‘a day’ as opposed to ‘the chastisement’ is figurative for it the chastisement will take place thereupon.