gre ed. Burnet 1903 284dΞένος
ὥς ποτε δεήσει τοῦ νῦν λεχθέντος πρὸς τὴν περὶ αὐτὸ τἀκριβὲς ἀπόδειξιν. ὅτι δὲ πρὸς τὰ νῦν καλῶς καὶ ἱκανῶς δείκνυται, δοκεῖ μοι βοηθεῖν μεγαλοπρεπῶς ἡμῖν οὗτος ὁ λόγος, ὡς ἄρα ἡγητέον ὁμοίως τὰς τέχνας πάσας εἶναι, μεῖζόν τε ἅμα καὶ ἔλαττον μετρεῖσθαι μὴ πρὸς ἄλληλα μόνον ἀλλὰ καὶ πρὸς τὴν τοῦ μετρίου γένεσιν.
eng tr. Jowett 1817-1893STRANGER:
That we shall some day require this notion of a mean with a view to the demonstration of absolute truth; meanwhile, the argument that the very existence of the arts must be held to depend on the possibility of measuring more or less, not only with one another, but also with a view to the attainment of the mean, seems to afford a grand support and satisfactory proof of the doctrine which we are maintaining;
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