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 women, the right to divorce, and the decriminalising of homosexual acts. He called for the abolition of slavery, of the death penalty, and of physical punishment, including that of children. He has also become known as an early advocate of animal rights. Though strongly in favour of the extension of individual legal rights, he opposed the idea of natural law and natural rights (both of which are considered "divine" or "God-given" in origin), calling them "nonsense upon stilts". Bentham was also a sharp critic of legal fictions. Bentham's students included his secretary and collaborator James Mill, the latter's son, John