the mental condition of those who rejected the way of allah may be likened to that of the cattle whom the shepherd calls but they hear nothing except the sound of shouts and cries. they are deaf they are dumb they are blind therefore they do not understand anything.
ومثل الذين كفروا كمثل الذي ينعق بما لا يسمع إلا دعاء ونداء صم بكم عمي فهم لا يعقلون