An Introduction to the Principles of Morals and Legislation An Introduction to the Principles of Morals and Legislation An Introduction to the Principles of Morals and Legislation is a book by the English philosopher and legal theorist Jeremy Bentham "originally printed in 1780, and first published in 1789." Bentham's "most important theoretical work," it is where Bentham develops his theory of utilitarianism and is the first major book on the topic. Bentham was the first major philosopher to develop and defend a utilitarian theory of ethics. Like John Stuart Mill, whom he greatly influenced, Bentham believed that happiness or pleasure is the only thing that is good for its
Jeremy Bentham experiments on animals, providing that the experiments had in mind a particular goal of benefit to humanity, and had a reasonable chance of achieving that goal. He wrote that otherwise he had a "decided and insuperable objection" to causing pain to animals, in part because of the harmful effects such practices might have on human beings. In a letter to the editor of the "Morning Chronicle" in March 1825, he wrote: Bentham said that it was the placing of women in a legally inferior position that made him choose, at the age of eleven, the career of a reformist. Bentham