Dalil

Quran Al-Ahzab 33:54

إِن تُبۡدُواْ شَيۡـًٔا أَوۡ تُخۡفُوهُ فَإِنَّ ٱللَّهَ كَانَ بِكُلِّ شَيۡءٍ عَلِيمٗا

Translation

Whether you reveal a thing or conceal it, indeed Allāh is ever, of all things, Knowing.