He praises highly that the one who sacrifices himself or herself autonomously in order to gain the happiness for most people and criticized the meaningless and blind self sacrifice (Chapter 3). This view significantly shows the altruism. At the same time, Mill shows several ways to promote the universal good. First, the law and the society should benefit the harmony between individuals' happiness or interest and the public's interest (Chapter 3). Then education and public opinions have obvious effect on the personality. We should apply this view to establish the intimate relationship between the individual happiness and the public's interest. This viewpoint of Mill has the progressive significance which can enable people have sincere individual emotions and care about the public's interest then transform into the ability of self-discipline, finally generate the motivation that promote the society's universal good of the whole. .
Mill also addresses meta-ethical concerns. He tries to prove the principle of utility is true that it is a fact that we should act so as to promote happiness, and he tries to say something about what sort of fact this is and how it is connected to more ordinary sorts of facts, here facts about what normal people actually desire (Chapter 4). .
An utilitarianism is a theory about what is most desirable "or what is desirable in itself, it does not admit of a proof in the standard sense." Still, "the only proof capable of being given that an object is visible is that people actually see it." The only proof that a sound is audible is that people actually hear it; and so of the other sources of our experience. In like manner, I apprehend, the sole evidence it is possible to produce that anything is desirable is that people do actually desire it. (Chapter 4). ".
In my preliminary essay, I presented one of the reasons why I will return the wallet, "I will be unhappy for a long period if I keep the large amount.
