سورة Al-Anfal 8:55

إِنَّ شَرَّ ٱلدَّوَآبِّ عِندَ ٱللَّهِ ٱلَّذِينَ كَفَرُوا۟ فَهُمْ لَا يُؤْمِنُونَ ٥٥

Indeed, the worst of all beings in the sight of Allah are those who persist in disbelief, never to have faith—