Ethos deals with determining the moral character of the rector. Pathos applies to the emotions of the listeners. Logos is described as rational analysis intended to tie the listeners interested in the rector s idea. Nicomachean Ethics is a written on the subject, in which he discusses qualities as separated into moral and intellectual virtues. Virtue is a mean between opposite vices, and there are no simple rules to decide what is appropriate.
Intellectual virtue assumes moral good quality and is divided into practical and theoretical wisdom.
However, many of his ideas disappeared in Western philosophy between 500 and 1000 A.D., but were preserved by Arabic and Syrian scholars. In the 20th century a new appreciation has developed of Aristotle's method and its relevance to education, literary criticism, the analysis of human action, and political analysis.