An-Naml • BN-TAFSEER-IBN-E-KASEER
﴿ وَإِنَّ رَبَّكَ لَيَعْلَمُ مَا تُكِنُّ صُدُورُهُمْ وَمَا يُعْلِنُونَ ﴾
“But, verily, thy Sustainer knows all that their hearts conceal as well as all that they bring into the open:”
Please check ayah 27:75 for complete tafsir.