This article aims to construct a direct relation between Aristotle and Plato, in respect to his Rhetoric and the first part of Plato’s Gorgias. This Plato’s Dialog has furnished a fundamental and relevant aspect: the rhetoric has a relation with that, what is just or unjust, and it can be used with justice if the rector is just. But in Dialog, Plato reveals by Socrates’s mouth a relative skepticism with this rhetoric’s possibility. However, could be possible to see, that Aristotle tried to demonstrate in his Rhetoric a way to realize this possibility of rhetoric? This article says yes to this question, and it tries to show that Aristotle has established the conditions for this realization.Este artigo visa construir uma relação direta entre ...