The terms νόμος (civilized justice) and ϕύσις (natural justice) played an important part in Sophists’ theories and myths about the origins of civilized society. The aim of this article is to show dramatic developments of Sophistic ideas in Euripides’ two political plays The Children of Heracles and The Suppliant Women.Euripides materiam ad dramata scribenda e philosophorum doctrinis hausit. Cum diligenter laborem Euripidis litteratum investigamus, conspicimus poetam in tragoediis suis has quaestiones attigisse, quas sophistae tractavissent, quae sunt: quanta esset vis rethoricae, quod νόμος (lex) et quod φύσις (natura) signifcarent. Cum sophistarum opiniones de lege et de natura considerantur, sophistae dividuntur: sophistae, qui dixerunt ...