Quran Fussilat 41:46
مَّنۡ عَمِلَ صَٰلِحٗا فَلِنَفۡسِهِۦۖ وَمَنۡ أَسَآءَ فَعَلَيۡهَاۗ وَمَا رَبُّكَ بِظَلَّٰمٖ لِّلۡعَبِيدِ
Translation
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.