Cosimo recognizes that a person’s potential doesn’t matter much if they can’t put any of those ideas into practice. In this sense, the cavalier avvocato is still useless in terms of his contributions to society, as he’s unable to finish anything that helps others. However, it’s still important for Cosimo to see and recognize that the cavalier avvocato also represents the consequences of shutting oneself off from other people. Because of what the cavalier avvocato teaches him in this regard, Cosimo is able to go on later to make his community a better place by becoming a beloved fixture in it.