﴿ إِنَّ شَرَّ ٱلدَّوَآبِّ عِندَ ٱللَّهِ ٱلَّذِينَ كَفَرُوا۟ فَهُمْ لَا يُؤْمِنُونَ ﴾

“Verily, the vilest creatures in the sight of God are those who are bent on denying the truth and therefore do not believe.”

The following was revealed regarding Banū Qurayza Surely the worst of beasts in God’s sight are the ungrateful who will not believe