(An-Naml) 27 : 74
وَإِنَّ رَبَّكَ لَيَعْلَمُ مَا تُكِنُّ صُدُورُهُمْ وَمَا يُعْلِنُونَ
“And indeed, your Lord surely knows what is hidden in their chests and what they disclose”.
See explanation 2: 255 and 17: 17.