(Zumar) 39 : 70
وَوُفِّيَتْ كُلُّ نَفْسٍ مَا عَمِلَتْ وَهُوَ أَعْلَمُ بِمَا يَفْعَلُونَ
And each soul will be repaid for what it has done, and He is the Best Knower with what they were doing.
See explanation 17: 17, 30; 36: 54, 65; 39: 6, 50-51.