Surah Al-Anbya 21:110

إِنَّهُۥ يَعْلَمُ ٱلْجَهْرَ مِنَ ٱلْقَوْلِ وَيَعْلَمُ مَا تَكْتُمُونَ

Indeed, He knows what is declared of speech, and He knows what you conceal.

Translation: Saheeh International

Tafsir

Indeed He exalted be He knows whatever is spoken aloud and what you and others do and He knows what you conceal both you and others of secrets.

Excerpt from Tafsir al-Jalalayn, commentary on 21:110, via Quran.com. The reader has the full commentary and 9 more tafsirs.