It is impossible to know any man–I mean his soul, intelligence, and judgement–until he shows his skill in rule and law.

ἀήχανον δὲ παντὸς ἀνδρὸς ἐκμαθεῖν / ψυχήν τε καὶ φρόνημα καὶ γνώμην, πρὶν ἂν / ἀρχαῖς τε καὶ νόμοισιν ἐντριβὴς φανῇ.

Sophocles, Antigone 175-7 (tr. Lattimore).