Qur'an 9:78

أَلَمْ يَعْلَمُوٓا۟ أَنَّ ٱللَّهَ يَعْلَمُ سِرَّهُمْ وَنَجْوَىٰهُمْ وَأَنَّ ٱللَّهَ عَلَّـٰمُ ٱلْغُيُوبِ

“Did they not know that Allāh knows their secrets and their private conversations and that Allāh is the Knower of the unseen?”

At-Tawba 9:78 · Saheeh International