Surah An-Najm 53:41

ثُمَّ يُجْزَىٰهُ ٱلْجَزَآءَ ٱلْأَوْفَىٰ

Then he will be recompensed for it with the fullest recompense -

Translation: Saheeh International

Tafsir

then he will be rewarded for it with the fullest reward the most perfect reward one may say jazaytuhu sa‘yahu or jazaytuhu bi-sa‘yihi to mean the same thing

Excerpt from Tafsir al-Jalalayn, commentary on 53:41, via Quran.com. The reader has the full commentary and 9 more tafsirs.