Final answer:
John Stuart Mill's happiness principle includes the principle of utility, a focus on consequences, and the belief in the improvement of individuals and society.
Step-by-step explanation:
The key features of John Stuart Mill's happiness principle are:
- The principle of utility: According to Mill, actions are right in proportion as they tend to promote happiness and wrong as they tend to produce the reverse of happiness. The principle of utility states that actions should aim to maximize overall human happiness.
- Focus on consequences: Mill's ethical theory emphasizes the importance of considering the consequences of actions. The morality of an action is determined by its ability to promote happiness for the greatest number of people.
- Improvement of individuals and society: Mill believed that not only society but also individuals themselves are capable of improvement. He argued that humans have a desire for perfection and sympathy for fellow human beings, which can contribute to overall happiness.