Nobody would undertake anything if there were no hope of turning a profit. Everyone pursues this hope and everyone cultivates it. Consider military activity, trade and agriculture; consider the so-called mercenary trades; consider even those that are said to be liberal professions: and you will see that a great desire for money prevails in all of them.
What else indeed (if we do not want to mention the humblest jobs, whose goal is obvious), what else attracts lawyers if not the desire for money, and no small desire at that, and the possibility of more substantial 4  profits? And what about doctors? And all the other professional people?