(Ambiya') 21 : 110
إِنَّهُ يَعْلَمُ الْجَهْرَ مِنَ الْقَوْلِ وَيَعْلَمُ مَا تَكْتُمُونَ

“Indeed, He knows what you disclose from words and what you conceal”.

See explanation 2: 255; 20: 109-110 and 21: 28-29.