Surah Al-Araf, verse 85

وَإِلَىٰ مَدْيَنَ أَخَاهُمْ شُعَيْبًا ۗ قَالَ يَـٰقَوْمِ ٱعْبُدُوا۟ ٱللَّهَ مَا لَكُم مِّنْ إِلَـٰهٍ غَيْرُهُۥ ۖ قَدْ جَآءَتْكُم بَيِّنَةٌ مِّن رَّبِّكُمْ ۖ فَأَوْفُوا۟ ٱلْكَيْلَ وَٱلْمِيزَانَ وَلَا تَبْخَسُوا۟ ٱلنَّاسَ أَشْيَآءَهُمْ وَلَا تُفْسِدُوا۟ فِى ٱلْأَرْضِ بَعْدَ إِصْلَـٰحِهَا ۚ ذَٰلِكُمْ خَيْرٌ لَّكُمْ إِن كُنتُم مُّؤْمِنِينَ ﴿٨٥﴾

7:85 And to the people of Midian [We sent] their brother Shu‘ayb. He said, “O my people, worship Allah; you have no god other than Him. There has come to you a clear proof from your Lord. Give full measure and weight, and do not defraud people of their property, and do not spread corruption in the land after it has been set aright. That is best for you, if you are [truly] believers