But to the best of my ability I will raise my voice to rebut our enemies’ argument. They say that God is declared to be without generation, that the Godhead is by nature simple, and that which is simple admits of no composition. If, then, God Who is declared to be without generation is by His nature without composition, His title of Ungenerate must belong to His very nature, and that nature is identical with ungeneracy. To whom we reply that the terms incomposite and ungenerate are not the same thing, for the former represents the simplicity of the subject, the other its being without origin, and these expressions are not convertible in meaning, though both are predicated of one subject. But from the appellation of Ungenerate we have been taught that He Who is so named is without origin, and from the appellation of simple that He is free from all admixture (or composition), and these terms cannot be substituted for each other. There is therefore no necessity that, because the Godhead is by its nature simple, that nature should be termed ungeneracy; but in that He is indivisible and without composition, He is spoken of as simple, while in that He was not generated, He is spoken of as ungenerate.
λέξω δὲ καθώς ἐστι δυνατὸν ἰσχυρῶς τῇ ἐμαυτοῦ φωνῇ τὸν τῶν ἐχθρῶν ἀνθυποφέρων λόγον. Φασὶν « ἀγέννητον τὸν θεὸν ὀνομάζεσθαι, ἁπλοῦν δὲ εἶναι τῇ φύσει τὸ θεῖον, τὸ δὲ ἁπλοῦν μηδεμίαν ἐπιδέχεσθαι σύνθεσιν: εἰ οὖν ἀσύνθετος κατὰ τὴν φύσιν ἐστὶν ὁ θεός, ᾧ τὸ τοῦ ἀγεννήτου ἔπεστιν ὄνομα, αὐτῆς ἂν εἴη τῆς φύσεως ὄνομα τὸ ἀγέννητον, καὶ ἔστιν οὐδὲν ἕτερον ἢ ἀγεννησία ἡ φύσις ». πρὸς οὓς τοῦτό φαμεν, ὅτι ἕτερον τοῦ « ἀσυνθέτου » καὶ ἕτερον τοῦ « ἀγεννήτου » τὸ σημαινόμενον. τὸ μὲν γὰρ τὴν ἁπλότητα τοῦ ὑποκειμένου, τὸ δὲ τὸ μὴ ἐξ αἰτίας εἶναι παρίστησι, καὶ οὐκ ἐπαλλάσσονται πρὸς ἀλλήλας αἱ τῶν ὀνομάτων ἐμφάσεις, κἂν περὶ τὸ ἓν ἀμφότερα λέγηται. ἀλλ' ἐκ μὲν τῆς τοῦ ἀγεννήτου προσηγορίας τὸ ἄνευ αἰτίας εἶναι τὸν οὕτως ὠνομασμένον ἐμάθομεν, ἐκ δὲ τῆς τοῦ ἁπλοῦ τὸ καθαρεύειν συνθέσεως: οὐδέτερον δὲ τούτων ἀντὶ τοῦ ἄλλου λέγεται. οὔκουν οὐδεμίαν ἀνάγκην ἔχει, ἐπειδὴ ἁπλοῦν ἐστι τῇ φύσει τὸ θεῖον, ἀγεννησίαν αὐτοῦ τὴν φύσιν κατονομάζεσθαι: ἀλλὰ καθ' ὃ μὲν ἀμερής ἐστι καὶ ἀσύνθετος, ἁπλοῦς λέγεται, καθ' ὃ δὲ οὐκ ἐγεννήθη, ἀγέννητος.