Quran 41:46 from Surah Fussilat on Divine Marvels.
مَّنۡ عَمِلَ صَٰلِحٗا فَلِنَفۡسِهِۦۖ وَمَنۡ أَسَآءَ فَعَلَيۡهَاۗ وَمَا رَبُّكَ بِظَلَّٰمٖ لِّلۡعَبِيدِ
English translation: Whoever does righteous deeds then it is for his soul and whoever does evil then it is against it And not (is) your Lord unjust to His slaves
Transliteration: man amila salihan falinafsihi waman asaa fa'alayha wama rabbuka bizallamin lil'abidi