Al-Mukhtasar
وَإِن تَجْهَرْ بِٱلْقَوْلِ فَإِنَّهُۥ يَعْلَمُ ٱلسِّرَّ وَأَخْفَى ﴿٧﴾
If you, O Messenger, proclaim the word or conceal it, He, may He be glorified, knows all of that. He knows the secrets and what is even more hidden, such as thoughts in the mind. Nothing is hidden from Him.