Ethical Teachings of Plato

1. A rejection of retaliation, or the return of harm for harm or evil for evil

2. The claim that doing injustice harms one’s soul, the thing that is most precious to one, and, hence, that it is better to suffer injustice than to do it

3. Some form of what is called “eudaimonism,” that is, that goodness is to be understood in terms of conduciveness to human happiness, well-being, or flourishing, which may also be understood as “living well,” or “doing well”

4. The view that only virtue is good just by itself; anything else that is good is good only insofar as it serves or is used for or by virtue

5. The view that there is some kind of unity among the virtues: In some sense, all of the virtues are the same

6. The view that the citizen who has agreed to live in a state must always obey the laws of that state, or else persuade the state to change its laws, or leave the state.