An-Naml 27:74

وَإِنَّ رَبَّكَ لَيَعْلَمُ مَا تُكِنُّ صُدُورُهُمْ وَمَا يُعْلِنُونَ

Wa-inna rabbaka layaʿlamu mā tukinnu ṣudūruhum wamā yuʿ'linūna

And indeed, your Lord knows what their breasts conceal and what they declare.