In the nineteenth century, John Stuart Mill was an activist and political thinker in Britain. He was one of the most ardent supporters of and practitioners of utilitarianism, a school of thought that held that an action was only considered appropriate if it benefited the majority of society. In his essay "On Liberty," he insists vehemently that the protection of one's freedom of thought regardless of how heinous or moral and, by extension, one's freedom to express oneself based on that thought are crucial to the upkeep of individual liberty. The concept of freedom of speech and thought proposed by Stuart Mill: The Law of Harm: This holds that the state is only permitted to restrict an individual's freedom for the purpose of preventing that individual from causing harm to others. Mill aims to demonstrate that society should never arbitrarily suppress opinions. Expression freedom: He gave four justifications for the need for freedom of speech, even for those who ho...