Questions of good and bad, virtue and vice, appear on virtually every page of The Prince.

善恶，美德与邪恶的问题，几乎出现在《君王论》的每一页的篇幅中。

耶鲁公开课 - 政治哲学导论课程节选

So for an example, he argued that the prison system needs to be reformed because instead of focusing on notions of justice and retribution what we should do is focus instead on questions of reinforcing good behaviors and punishing bad ones.

举个例子，他认为监狱体系需要改革,因为人们不应关注公正与赎罪,而应当去关注对良好行为的强化,以及对不良行为的惩罚。

耶鲁公开课 - 心理学导论课程节选