تِلْكَ أُمَّةٌ قَدْ خَلَتْ لَهَا مَا كَسَبَتْ وَلَكُم مَّا كَسَبْتُمْ وَلَا تُسْأَلُونَ عَمَّا كَانُوا يَعْمَلُونَ
That was a nation that has passed: for it there will be what it has earned, and for you there will be what you have earned, and you will not be questioned about what they used to do.
Agha Ali Puya Commentary
Commentary on Quran 2:134
[Pooya/Ali Commentary 2:134] The doctrine of personal responsibility is the most important principle of Islam. Please refer to the commentary of verse 48 of this surah.