Verse 11:84

۞ وَإِلَىٰ مَدْيَنَ أَخَاهُمْ شُعَيْبًۭا ۚ قَالَ يَٰقَوْمِ ٱعْبُدُوا۟ ٱللَّهَ مَا لَكُم مِّنْ إِلَٰهٍ غَيْرُهُۥ ۖ وَلَا تَنقُصُوا۟ ٱلْمِكْيَالَ وَٱلْمِيزَانَ ۚ إِنِّىٓ أَرَىٰكُم بِخَيْرٍۢ وَإِنِّىٓ أَخَافُ عَلَيْكُمْ عَذَابَ يَوْمٍۢ مُّحِيطٍۢ

And to Madyan [We sent] their brother Shu'ayb. He said, "O my people, worship Allah; you have no deity other than Him. And do not decrease from the measure and the scale. Indeed, I see you in prosperity, but indeed, I fear for you the punishment of an all-encompassing Day.

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