When a man gets it into his head to do something, and when he exclusively occupies himself in that design, he must succeed, whatever the difficulties. That man will become Grand Vizier or Pope.
Giacomo CasanovaWe avenge intellect when we dupe a fool, and it is a victory not to be despised for a fool is covered with steel and it is often very hard to find his vulnerable part.
Giacomo Casanova