[Do not] drive fear wholly out of the city. For who among mortals, if he fears nothing, is righteous?

καὶ μὴ τὸ δεινὸν πᾶν πόλεως ἔξω βαλεῖν. \ τίς γὰρ δεδοικὼς μηδὲν ἔνδικος βροτῶν;

Aeschylus, Eumenides 698-9.