The person who becomes “righteous overmuch ” sets his own standards for righteousness and judges others by them.
فَيَكُونُ ذلِكَ كَمَا لَوْ أَنَّنَا نَحْكُمُ عَلَيْهِ وَفْقَ مَقَايِيسِنَا لِلصَّوَابِ وَٱلْخَطَإِ .‏