Surah Az-Zumar 39:70

وَوُفِّيَتْ كُلُّ نَفْسٍ مَّا عَمِلَتْ وَهُوَ أَعْلَمُ بِمَا يَفْعَلُونَ

And every soul will be fully compensated [for] what it did; and He is most knowing of what they do.

Translation: Saheeh International

Tafsir

And every soul will be paid in full for what it did that is it will be paid the requital thereof and He is best aware of what they do and has no need for any witnesses.

Excerpt from Tafsir al-Jalalayn, commentary on 39:70, via Quran.com. The reader has the full commentary and 9 more tafsirs.