Plato, Meno 100b

κάλλιστα δοκεῖς μοι λέγειν, ὦ Σώκρατες. ἐκ μὲν τοίνυν τούτου τοῦ λογισμοῦ, ὦ Μένων, θείᾳ μοίρᾳ ἡμῖν φαίνεται παραγιγνομένη ἡ ἀρετὴ οἷς ἂν παραγίγνηται· τὸ δὲ σαφὲς περὶ αὐτοῦ εἰσόμεθα τότε, ὅταν πρὶν ᾧτινι τρόπῳ τοῖς ἀνθρώποις παραγίγνεται ἀρετή, πρότερον ἐπιχειρήσωμεν αὐτὸ καθʼ αὑτὸ ζητεῖν τί ποτʼ ἔστιν ἀρετή. νῦν δʼ ἐμοὶ μὲν ὥρα ποι ἰέναι, σὺ δὲ ταὐτὰ ταῦτα ἅπερ αὐτὸς πέπεισαι πεῖθε καὶ τὸν ξένον τόνδε Ἄνυτον, ἵνα

I think you put it excellently, Socrates. Then the result of our reasoning, Meno, is found to be that virtue comes to us by a divine dispensation, when it does come. But the certainty of this we shall only know when, before asking in what way virtue comes to mankind, we set about inquiring what virtue is, in and by itself. It is time now for me to go my way, but do you persuade our friend Anytus of that whereof you are now yourself persuaded, so as