Giacomo Casanova 17, in 1742, with a degree in law ("for which I felt an unconquerable aversion"). His guardian's hope was that he would become an ecclesiastical lawyer. Casanova had also studied moral philosophy, chemistry, and mathematics, and was keenly interested in medicine. ("I should have been allowed to do as I wished and become a physician, in which profession quackery is even more effective than it is in legal practice.") He frequently prescribed his own treatments for himself and friends. While attending the university, Casanova began to gamble and quickly got into debt, causing his recall to Venice by his grandmother,
Giacomo Casanova seldom caused affront. Most gamblers were on guard against cheaters and their tricks. Scams of all sorts were common, and Casanova was amused by them. Casanova gambled throughout his adult life, winning and losing large sums. He was tutored by professionals, and he was "instructed in those wise maxims without which games of chance ruin those who participate in them". He was not above occasionally cheating and at times even teamed with professional gamblers for his own profit. Casanova claims that he was "relaxed and smiling when I lost, and I won without covetousness". However, when outrageously duped himself, he