Plato, Laws 751d

πρὸς τὸ δυσχεραίνοντάς τε καὶ ἀποδεχομένους ὀρθῶς κρίνειν καὶ ἀποκρίνειν δυνατοὺς γίγνεσθαι τοὺς ἀξίους ἑκατέρων· ταῦτα δὲ οἱ νεωστὶ συνεληλυθότες ὄντες τε ἀλλήλων ἀγνῶτες, ἔτι δʼ ἀπαίδευτοι, πῶς ἄν ποτε δύναιντο ἀμέμπτως τὰς ἀρχὰς αἱρεῖσθαι; σχεδὸν οὐκ ἄν ποτε. ἀλλὰ γὰρ ἀγῶνα προφάσεις φασὶν οὐ πάνυ δέχεσθαι· καὶ δὴ καὶ σοὶ τοῦτο νῦν καὶ ἐμοὶ ποιητέον, ἐπείπερ

and be well trained for the task of rightly rejecting or accepting those candidates who deserve their approval or disapproval. Yet as regards this point, can we suppose that men who have but recently come together, with no knowledge of one another and with no training, could ever possibly select their officials in a faultless manner? It is practically impossible. Yet, with the hand on the plough, as they say, there is no looking back. And so it must be now with you and me; for you, as you tell me, have given your pledge