<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The Republic (Greek: Πολιτεία, Politeia; Latin: Res Publica) is a Socratic dialogue, written by Plato around 380 BC, concerning justice (δικαιοσύνη), the order and character of the just city - state and the just man . It is Plato's best - known work, and has proven to be one of the world's most influential works of philosophy and political theory, both intellectually and historically . </P> <P> In the book's dialogue, Socrates discusses the meaning of justice and whether or not the just man is happier than the unjust man with various Athenians and foreigners . They consider the natures of existing regimes and then propose a series of different, hypothetical cities in comparison . This culminates in the discussion of Kallipolis (Καλλίπολις), a hypothetical city - state ruled by a philosopher king . They also discuss the theory of forms, the immortality of the soul, and the role of the philosopher and that of poetry in society . The dialogues may have taken place during the Peloponnesian War . </P>

Wrote the republic which describes an ideal society