Finnis believed that there were nine interrelated principles of practical reason, which help to create the optimum conditions in which to achieve the seven basic goods. Finnis argued that the nine requirements of practical reason were self-evident, like the basic goods.
- You should view your life as a whole, based on achieving the basic goods
- You naturally have to prioritise certain goods over others, but you should always do so with good reason
- Basic goods apply equally to all people
- You should make sure that you do not become obsessed with a particular project
- You should actually do projects and make an effort to flourish