§9.2.1πολλῶν γὰρ καὶ πολλαχῶς ἐξηριθμημένων τά τε περὶ τὰς γενεαλογίας καὶ μύθους καὶ περὶ τὰς ἀποικίας, §9.2.2ἔτι δὲ συγγενείας καὶ κτίσεις, λοιπὸν ἢ τὰ ἀλλότρια δεῖ λέγειν ὡς ἴδια τὸν νῦν περὶ τούτων πραγματευόμενον, ὃ πάντων ἐστὶν αἴσχιστον, ἢ τοῦτο μὴ βουλόμενον προδήλως ματαιοπονεῖν, ὑπὲρ τοιούτων ὁμολογοῦντα συντάττεσθαι καὶ φροντίζειν, ἃ διὰ τῶν προγενεστέρων ἱκανῶς δεδήλωται καὶ παραδέδοται τοῖς ἐπιγινομένοις.
For as the matters concerning genealogies and myths, and also concerning colonies, have been fully recounted by many and in many ways, and furthermore relationships and foundations of cities, it remains that he who now writes about these things must either speak of other people's works as his own—which is the most shameful of all—or, if he does not wish this, must manifestly labor in vain, admitting that he is composing and concerning himself with such matters as have already been sufficiently clarified by predecessors and handed down to posterity.
§9.2.3ταῦτα μὲν οὖν παρελείφθη τούτων ἕνεκα καὶ πλειόνων ἑτέρων· §9.2.4ὁ δὲ πραγματικὸς τρόπος ἐνεκρίθη πρῶτον μὲν διὰ τὸ καινοποιεῖσθαι συνεχῶς καὶ καινῆς ἐξηγήσεως δεῖσθαι τῷ μὴ συμβατὸν εἶναι τοῖς ἀρχαίοις τὸ τὰς ἐπιγινομένας πράξεις ἡμῖν ἐξαγγεῖλαι, §9.2.5δεύτερον δὲ καὶ διὰ τὸ πάντων ὠφελιμώτατον αὐτὸν καὶ πρὸ τοῦ μέν, μάλιστα δὲ νῦν ὑπάρχειν, τῷ τὰς ἐμπειρίας καὶ τέχνας ἐπὶ τοσοῦτον προκοπὴν εἰληφέναι καθʼ ἡμᾶς ὥστε πᾶν τὸ παραπῖπτον ἐκ τῶν καιρῶν ὡς ἂν εἰ μεθοδικῶς δύνασθαι χειρίζειν τοὺς φιλομαθοῦντας.
For these reasons, then, and many others, these matters were omitted; but the practical style was approved, first, because it is constantly renewed and requires a fresh exposition, as it is impossible for the ancients to declare to us the deeds that happen after them; and secondly, because it is of all things the most useful, as indeed it was in the past, but most of all now, since experience and skills have made such progress in our time that those who wish to learn are able to handle, as if methodically, whatever arises from the circumstances.
§9.2.6διόπερ ἡμεῖς οὐχ οὕτως τῆς τέρψεως στοχαζόμενοι τῶν ἀναγνωσομένων ὡς τῆς ὠφελείας τῶν προσεχόντων, τἄλλα παρέντες ἐπὶ τοῦτο τὸ μέρος κατηνέχθημεν.
Therefore, aiming not so much at the amusement of those who will read as at the benefit of those who pay attention, we have passed over other matters and turned to this part.
§9.2.7περὶ μὲν οὖν τούτων οἱ συνεφιστάνοντες ἐπιμελῶς ἡμῶν τοῖς ὑπομνήμασι βεβαιότατα μαρτυρήσουσι τοῖς νῦν λεγομένοις.
Concerning these matters, then, those who attentively study our memoirs will bear the most certain witness to what is now being said.