Qur'ān 8:55 · Al-Anfal (الأنفال)

إِنَّ شَرَّ ٱلدَّوَآبِّ عِندَ ٱللَّهِ ٱلَّذِينَ كَفَرُوا۟ فَهُمْ لَا يُؤْمِنُونَ

Indeed, the worst of living creatures in the sight of Allah are those who have disbelieved, and they will not [ever] believe -