Giacomo Casanova,
The Memoirs of Jacques Casanova de Seingalt…
“ She laughed and laughed again."What an amazing reply!" said she. "The diamond is false, and it is I who am about to reveal their folly to them. I shall inform my father of this important secret. It is too much, it overwhelms me; I can scarcely contain myself for joy! How much I owe you, you wonderful and delightful man! They will verify the truth of the oracle immediately, and when it is found that the famous diamond is but glittering paste the company will adore my father, for it will feel that but for him it would have been covered with shame, by avowing itself the dupe of a sharper. ”
