Ethical Philosophy and Rulers ethics in Plato's Eutopia

The history of ethics is an ancient as man's thought and the effect of thoughts of some distinguished philosophers such as Plato, is agreed among scholars in the history of philosophy. Plato believes in the interaction of society and individual to reach excellent ethic. He proceeds rather ruler's ethics because he knows sage ruler or philosopherking as columns of eutopia. Moreover in this article ethical philosophy and rulers's ethics in plato viewpoint are investigated.