Sura 8 Al-Anfal (The Spoils of War), aya 55

1. إِنَّ شَرَّ الدَّوَابِّ عِنْدَ اللَّهِ الَّذِينَ كَفَرُوا 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 -

   8:55

Tafsiri: Saheeh International