We have not created the heavens and the earth and all that is between them except, as a creation, in truth, so that it may be an indication of Our power and Our Oneness, and for an appointed term, until [the point of] their annihilation on the Day of Resurrection. Yet those who disbelieve are disregardful of what they are warned, [of what] they are threatened with in the way of [impending] chastisement.