The contemporary 'virtue theory' stresses the need to return to the moral formation of the individual, following the ethical model made available by Aristotle. According to MacIntyre, an important representative of this theory, Stoicism favored the development of modern and contemporary ethics, by highlighting notions such as will, consent, and natural or divine law. As a result, the development of the moral agent itself has been neglected. In the twelfth century, Abelard introduces hybrid ethics, which maintains both the Aristotelian theory of virtue and elements of Stoic morality. In the present study, we consider MacIntyre's criticism of Abelard ethics, which is estimated to be at the origin of modern and contemporary moral conceptions. [ABSTRACT FROM AUTHOR]