When Walter Benjamin develops, in the “Epistemocritical preface” for his The origin of German Trauerspiel, the most extensive presentation of his theory of knowledge (and the only one published in his lifetime), he does so through an explicit reinterpretation of the Platonic philosophy, in particular, of his “doctrine of ideas”. This article aims at investigating the affinities between Benjamin’s preface and the Platonic philosophy, with a special attention to the relations between the methodological developments of both authors, that is, between Benjamin’s “form of exposition” and Plato’s dialectic. By exploring these relations, this article tries to show a particular vision of philosophy that both authors share, and its originality, power...