The objective of this paper is to identify, from a historical perspective, the presence of elements of the protagorean thought in the Herodotus’ Histories. I realize an analysis of the passages in which Herodotus refers to νόμος and φύσις, which constitute a conceptual antithesis within the framework of the fifth century a.C. From this analysis I will try to show that Herodotus retakes the intellectual discussions of the fifth century BC, but makes a controversial reception of these concepts highlighting the (...) climate of conflict on the level of the symbolic. (shrink)