"Certainly," said he to himself, "I am not mistaken; it stood there: if it had fallen, the materials would have lain in heaps; and if it had been swallowed up by an earthquake, there would be some mark left." At last he retired to his apartment, not without looking behind him before he quitted the spot, ordered the grand vizier to be sent for with expedition, and in the meantime sat down, his mind agitated by so many different conjectures that he knew not what to resolve.