Giacomo Casanova Casanova soon abandoned his military career and returned to Venice. At the age of 21, he set out to become a professional gambler, but losing all the money remaining from the sale of his commission, he turned to his old benefactor Alvise Grimani for a job. Casanova thus began his third career, as a violinist in the San Samuele theater, "a menial journeyman of a sublime art in which, if he who excels is admired, the mediocrity is rightly despised. ... My profession was not a noble one, but I did not care. Calling everything prejudice, I soon acquired all
Giacomo Casanova but could not sustain it. He ran the business poorly, borrowed heavily trying to save it, and spent much of his wealth on constant liaisons with his female workers who were his "harem". For his debts, Casanova was imprisoned again, this time at For-l'Évêque, but was liberated four days afterwards, upon the insistence of the Marquise d'Urfé. Unfortunately, though he was released, his patron de Bernis was dismissed by Louis XV at that time and Casanova's enemies closed in on him. He sold the rest of his belongings and secured another mission to Holland to distance himself from his troubles.