Moral Ethics

وَمَن يَكْسِبْ إِثْمًا فَإِنَّمَا يَكْسِبُهُۥ عَلَىٰ نَفْسِهِۦ ۚ وَكَانَ ٱللَّهُ عَلِيمًا حَكِيمًا

And whoever earns [i.e., commits] a sin only earns it against himself. And Allāh is ever Knowing and Wise.