An-Nur · 24:40

40. Or their deeds are like the many darkness in the depth of the ocean, over which is a wave, over which is another wave, over which is a cloud covering the navigating stars. Compounded layers of darkness, one above the other; if the one that finds himself among such darkness were to remove his hand in front of him, he would barely see it. Likewise is a disbeliever: the darkness of ignorance, doubt, confusion and his heart being sealed up, gather up on him. Whoever Allah does not grant guidance from error to and knowledge of the Book, will never find any other guidance or any other book from which he can seek enlightenment.