Plato, Laws 892d

τί μήν; φυλάττωμεν δὴ παντάπασιν ἀπατηλὸν λόγον, μή πῃ πρεσβύτας ἡμᾶς ὄντας νεοπρεπὴς ὢν παραπείσῃ καὶ διαφυγὼν καταγελάστους ποιήσῃ, καὶ δόξωμεν μείζονα ἐπιβαλλόμενοι καὶ τῶν σμικρῶν ἀποτυχεῖν. σκοπεῖτε οὖν. εἰ καθάπερ ποταμὸν ἡμᾶς ἔδει τρεῖς ὄντας διαβαίνειν ῥέοντα σφόδρα, νεώτατος δʼ ἐγὼ τυγχάνων ἡμῶν καὶ πολλῶν ἔμπειρος ῥευμάτων, εἶπον ὅτι πρῶτον ἐμὲ χρῆναι πειραθῆναι

Certainly. Let us guard against a wholly deceitful argument, lest haply it seduce us who are old with its specious youthfulness, and then elude us and make us a laughing-stock, and so we get the reputation of missing even little things while aiming at big things. Consider then. Suppose that we three had to cross a river that was in violent flood, and that I, being the youngest of the party and having often had experience of currents, were to suggest that the proper course