Surah Taha 20:52

قَالَ عِلْمُهَا عِندَ رَبِّى فِى كِتَـٰبٍ ۖ لَّا يَضِلُّ رَبِّى وَلَا يَنسَى

[Moses] said, "The knowledge thereof is with my Lord in a record. My Lord neither errs nor forgets."

Translation: Saheeh International

Tafsir

Said he Moses ‘The knowledge thereof that is the knowledge of their otherworldly status is preserved with my Lord in a Book namely the Preserved Tablet al-lawh al-mahfūz and He shall requite them in accordance with it on the Day of Resurrection. …

Excerpt from Tafsir al-Jalalayn, commentary on 20:52, via Quran.com. The reader has the full commentary and 9 more tafsirs.