And those who disbelieve say, `The Hour will never come upon us.' Say, `Why not, by my Lord, Who knows the unseen, it is bound to come upon you. Nothing escapes Him (unobserved), not even so much as an atom's weight in the heavens or in the earth, nor is anything there smaller or greater than that (but is recorded) in a book revealing (the truth, and is governed by a plain law).