Translation of the verse 22 from Surah Al-Anfal : Number of verses 75 - - page 179 - Part 9.
Verily! The worst of (moving) living creatures with Allah are the deaf and the dumb, those who understand not (i.e. the disbelievers).
Indeed, the worst of living creatures in the sight of Allah are the deaf and dumb who do not use reason.
(8:22) Indeed the worst kind of all beasts in the sight of Allah are the people that are deaf and dumb, *17 and do not understand.
*17). These are the ones who neither hear nor speak the truth. So far as truth is concerned, their ears are deaf and their mouths dumb.