Surah Aal-e-Imran Verse 135 - English Translation by N J Dawood
Surah Aal-e-Imranوَٱلَّذِينَ إِذَا فَعَلُواْ فَٰحِشَةً أَوۡ ظَلَمُوٓاْ أَنفُسَهُمۡ ذَكَرُواْ ٱللَّهَ فَٱسۡتَغۡفَرُواْ لِذُنُوبِهِمۡ وَمَن يَغۡفِرُ ٱلذُّنُوبَ إِلَّا ٱللَّهُ وَلَمۡ يُصِرُّواْ عَلَىٰ مَا فَعَلُواْ وَهُمۡ يَعۡلَمُونَ
who, if they commit a lewd act or wrong their souls, remember God and seek forgiveness for their sins (for who but God can forgive sins?) and do not knowingly persist in their misdeeds