- Idealism (the theory that the ultimate nature of reality is based on mind or ideas)

- Materialism (the theory that the only things that can be truly proven to exist are made of matter)

- Hedonism (the philosophy that pleasure has an ultimate importance, and is the most important pursuit of humanity)

- Utilitarianism (the idea that the moral worth of an action is determined solely by its contribution to happiness or pleasure as divided among all people)

- Egoism (the theory that humans are motivated only by their self interest and to make claims)

- I don't stand for anything at all.