Say, "If mankind and the jinn gathered in order to produce the like of this Qur’ān, they could not produce the like of it, even if they were to each other assistants."
Or you have a house of ornament [i.e., gold] or you ascend into the sky. And [even then], we will not believe in your ascension until you bring down to us a book we may read." Say, "Exalted is my Lord! Was I ever but a human messenger?"