From Aristotle to nowadays, most of thinkers believe that ethicscan be taught. The research demonstrates that the students’ moral profile is strongly shaped during the academic years. The actors of the university field are influencing each other and the university teacher, as a moral agent, has an important influence on students’ moral development. The communication of the two main actors must fulfil certain criteria in order to teaching and changing on each side. The discourse of the professor has not only to communicate a scientific message but, more importantly, it has to create relationships, to help the transformation of youth into adults, and to recreate themselves within interpersonal relationships. The article is focusing on the importance of the teacher-student relationship during the academic years, aiming to emphasize that such a relationship really can influence the moral profile and behaviour of the student.