The theme of the script is to celebrate benevolence, friendship and love. It also reflects the contradiction between the early capitalist business asset classes and loan sharks, and shows the author's humanist ideas on money, law and religion in bourgeois society. An important literary achievement of the drama is to shape the typical image of Shylock, a merciless and ruthless loan shark.ip and love. It also reflects the contradiction between the early capitalist business asset classes and loan sharks, and shows the author's humanist ideas on money, law and religion in bourgeois society. An important literary achievement of the drama is to shape the typical image of Shylock, a merciless and ruthless loan shark.