Morality: a system of beliefs based in individual motivation that dictate behaviors towards others and self. It is immoral to let bad deeds go unpunished.

Ethics: a system of beliefs based in group motivation that dictate the behaviors that would make the group run as smoothly as possible. It is unethical to sell term papers on the internet.

See also Immanuel Kant, John Stuart Mill, Aristotle

The division I have heard used in philosophy courses is that morality is a system that tells you how to act, and that ethics is the study of such systems.

I would take an existing system that tells you what is good or bad to do to be an Moral system, and the discussion of the theories of egoism, utilitarianism, duty ethics, virtue ethics, etc. to be about ethical systems.

This is one division that is used in some Ethics textbooks and at least one Ethics professor. It seems to be useful in some cases, but it is not standardized. (See Webster)

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