Surah Al-Hujurat 49:18

إِنَّ ٱللَّهَ يَعْلَمُ غَيْبَ ٱلسَّمَـٰوَٰتِ وَٱلْأَرْضِ ۚ وَٱللَّهُ بَصِيرٌۢ بِمَا تَعْمَلُونَ

Indeed, Allāh knows the unseen [aspects] of the heavens and the earth. And Allāh is Seeing of what you do.

Translation: Saheeh International

Tafsir

Truly God knows the Unseen of the heavens and the earth that is He knows all that is hidden in both and God is Seer of what you do’ may be read either as ya‘malūna ‘they do’ or ta‘malūna ‘you do’ nothing of which can be concealed from Him.

Excerpt from Tafsir al-Jalalayn, commentary on 49:18, via Quran.com. The reader has the full commentary and 9 more tafsirs.