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 rest and a sensible diet. Because of his youth and his facile recitation of medical knowledge, the senator and his two bachelor friends thought Casanova wise beyond his years, and concluded that he must be in possession of occult knowledge. As they were cabalists themselves, the senator invited Casanova into his household and became a lifelong patron. Casanova stated in his memoirs: For the next three years under the senator's patronage, working nominally as a legal assistant, Casanova led the life of a nobleman, dressing magnificently and, as was natural to him, spending most of his time gambling and engaging