إِنَّ شَرَّ الدَّوَابِّ عِنْدَ اللَّهِ الصُّمُّ الْبُكْمُ الَّذِينَ لَا يَعْقِلُونَ

Surah Al-Anfal : 22
Indeed, the worst of living creatures in the sight of Allah are the deaf and dumb who do not use reason.

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