﴿ يَسْتَخْفُونَ مِنَ ٱلنَّاسِ وَلَا يَسْتَخْفُونَ مِنَ ٱللَّهِ وَهُوَ مَعَهُمْ إِذْ يُبَيِّتُونَ مَا لَا يَرْضَىٰ مِنَ ٱلْقَوْلِ ۚ وَكَانَ ٱللَّهُ بِمَا يَعْمَلُونَ مُحِيطًا ﴾

“They would conceal their doings from men; but from God they cannot conceal them - for He is with them whenever they devise, in the dark of night, all manner of beliefs which He does not approve. And God indeed encompasses [with His knowledge] whatever they do.”

Please check ayah 4:109 for complete tafsir.