إِنَّ شَرَّ الدَّوَابِّ عِنْدَ اللَّهِ الصُّمُّ الْبُكْمُ الَّذِينَ لَا يَعْقِلُونَ 22
For the worst of beasts in the sight of Allah are the deaf and the dumb,- those who understand not.