مَن عَمِلَ صالِحًا فَلِنَفسِهِ ۖ وَمَن أَساءَ فَعَلَيها ۗ وَما رَبُّكَ بِظَلّامٍ لِلعَبيدِ

Whoever does righteousness - it is for his [own] soul; and whoever does evil [does so] against it. And your Lord is not ever unjust to [His] servants.