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 for another position. A few months later, he became the librarian to Count Joseph Karl von Waldstein, a chamberlain of the emperor, in the Castle of Dux, Bohemia (now in the Czech Republic). The Count—himself a Freemason, cabalist, and frequent traveler—had taken to Casanova when they had met a year earlier at Foscarini's residence. Although the job offered security and good pay, Casanova describes his last years as boring and frustrating, though it was the most productive time for writing. His health had deteriorated dramatically, and he found life among peasants to be less than stimulating. He was only able