And even if there were a Quran with which the mountains were made to pass away, or the earth were travelled over with it, or the dead were made to speak thereby; nay! the commandment is wholly Allah's, Have not yet those who believe known that if Allah please He would certainly guide all the people? And (as for) those who disbelieve, there will not cease to afflict them because of what they do a repelling calamity, or it will alight close by their abodes, until the promise of Allah comes about; surely Allah will not fail in (His) promise.

And thus did We reveal to you an inspired book by Our command. You did not know what the Book was, nor (what) the faith (was), but We made it a light, guiding thereby whom We please of Our servants; and most surely you show the way to the right path: