Quran 18:30

إِنَّ ٱلَّذِينَ ءَامَنُواْ وَعَمِلُواْ ٱلصَّـٰلِحَـٰتِ إِنَّا لَا نُضِيعُ أَجۡرَ مَنۡ أَحۡسَنَ عَمَلاً ٣٠

As for those who believe and lead a righteous life, we never fail to recompense those who work righteousness.