Plato, Letters 320b

νομίζω γὰρ δίκαιον εἶναι τοὺς ὄντας τῇ ἀληθείᾳ ἐπιεικεῖς καὶ πράττοντας τοιαῦτα τυγχάνειν δόξης τῆς προσηκούσης. τὰ μὲν οὖν εἰς τὸ παρόν, σὺν θεῷ εἰπεῖν, ἔχει καλῶς, τὰ δὲ περὶ τῶν μελλόντων ὁ μέγιστός ἐστιν ἀγών. ἀνδρείᾳ μὲν γὰρ καὶ τάχει καὶ ῥώμῃ διενεγκεῖν δόξειεν ἂν καὶ ἑτέρων εἶναί τινων, ἀληθείᾳ δὲ καὶ δικαιοσύνῃ καὶ μεγαλοπρεπείᾳ

by my jealous regard for what is noble ; for I esteem it just that those who are truly virtuous, and who act accordingly, should achieve the reputation they deserve. Now for the present (God willing) affairs are going well; but it is in the future that the chief struggle lies. For while it might be thought that excellence in courage and speed and strength might belong to various other men, everyone would agree that surpassing excellence in truth, justice, generosity and the outward exhibition of all these virtues