And who does greater wrong than he who has been reminded of the signs of his Lord yet turns away from them and forgets what his hands have sent ahead? what he has committed in the way of disbelief and acts of disobedience. Indeed on their hearts We have cast veils coverings lest they should understand it that is lest they should comprehend the Qur’ān in other words and so as a result they do not comprehend it; and in their ears a deafness a heaviness and so they do not hear it; and though you call them to guidance they will not be guided in that case that is given the casting of veils mentioned ever.