This article deals with education and ethics, as presented in his Second Book. He is analyzing the soul and its structure, and focuses more on education. Thorough analysis also includes all components of music science, as related to students’ ethic characteristics. This particular case is based mainly on Plato’s concept of the soul; according to it the soul comes to Earth while it has preserved in itself knowledge of the ideal world. In Quintilianus’ scientific narrative one could see a synthesis of the theories of Aristoxenus, Plato and the Neoplatonists.