Taha 20:7

وَإِن تَجْهَرْ بِٱلْقَوْلِ فَإِنَّهُۥ يَعْلَمُ ٱلسِّرَّ وَأَخْفَى

Wa-in tajhar bil-qawli fa-innahu yaʿlamu l-sira wa-akhfā

And if you speak aloud - then indeed, He knows the secret and what is [even] more hidden.