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of kings and Lord of lords, who alone has immortality, dwelling in unapproachable light". For if the house, he says, is unapproachable, it is clear that the door of the house is also light and is unapproachable. But if you say the one is approachable, and the other unapproachable, the approachable will be consumed by the unapproachable, and the key would never have the strength to open, unless it too were unapproachable and of the same nature, but it would be burned up by the door, or the door by the house, and perhaps it will become inaccessible to all. Rather, our faith will also be destroyed, the Holy Trinity being divided into approachable and unapproachable, and greater and lesser.

But see to it that when you hear these things, taking images from perceptible houses and doors, some corporeal form is not pre-impressed upon your mind, and your soul fall into doubt and blasphemy. But reflecting on everything in a manner befitting God and well, (417) if you are able, according to the principle and law of contemplation in yourselves, you will find all things rightly interpreted. But if you are not able to think of these things in this God-befitting manner, receive these things by faith alone and do not wish to be overly curious at all. For the Holy Spirit is called the key, because through Him and in Him we are first illuminated in mind and, being purified, are enlightened with the light of knowledge, and we are baptized from above and are reborn and are named children of God, as Paul says: "The Spirit himself intercedes for us with groanings which cannot be uttered," and again: "God has sent the Spirit of his Son into our hearts, crying, Abba, Father." This, therefore, shows us that the door is light, and the door teaches us that the one dwelling in the house is himself also unapproachable light. The God who dwells is not one thing and His house another light, just as the light of the Godhead is not one thing and God another. But the same one is both house and inhabitant, just as the same is both light and God. Theologically, the Son is also called a house, just as the Father is - for he says: "You, Father, are in me and I in them, and they in me and I, Father, in you, that we may be one," and the Spirit likewise: "I will dwell, he says, in them and walk among them. I and the Father will come and make our home with him," that is, through the Spirit, as Paul says: "For the Spirit is the Lord." If then the Lord is the Spirit, and the Father is in Him and He in us, and likewise again we are in Him, and He with God and the Father and God in Him.

(418) And if one must say something more precisely, what the one is, this the other two are also. For the three are in the same and are conceived as one essence and nature and kingdom. If, then, the one is named something, this is by nature also contemplated in the others, except for "Father" that is, and "Son" and "Holy Spirit," that is, apart from "begetting" and "being begotten" and "proceeding"; for these alone belong to the Holy Trinity by nature and by property, irrefutably. But it is not possible for us to conceive or to speak of alteration or reversal or the interchange of names in these matters. For through these the three persons have become known, and it is not possible in this to place the Son before the Father, nor the Holy Spirit before the Son, but to say them together thus: "Father, Son, and Holy Spirit," with no interruption in these by the slightest interval of time or instant, but together with the Father is both the Son begotten and the Spirit proceeding; but in all other things the one name or paradigm is contemplated both in each one and in the three. For instance, if you say "light," each of these is light and the three are one light; "eternal life," and likewise each of these is the Son, and the Spirit and the Father, the three are one life. Therefore God and Father is Spirit, and the Spirit is Lord, and God is the Holy Spirit; these are God each one, and at the same time the three are God; each is one Lord and the three are Lord; one is God over all, Creator of all things, each one, and these are one God, the Demiurge of the universe. And the ancient text also says: (419) "In the beginning God made

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βασιλευόντων καί Κύριος τῶν κυριευόντων, ὁ μόνος ἔχων ἀθανασίαν, φῶς οἰκῶν ἀπρόσιτον". Εἰ γάρ ὁ οἶκος, φησίν, ἐστίν ἀπρόσιτος, δηλονότι καί ἡ τοῦ οἴκου θύρα φῶς καί αὕτη καί ἀπρόσιτός ἐστιν. Εἰ δέ τό μέν προσιτόν εἴπῃς, τό δέ ἀπρόσιτον, τό προσιτόν ὑπό τοῦ ἀπροσίτου ἀναλωθήσεται καί οὐκ ἄν ποτε ἡ κλείς ἀνοῖξαι ἰσχύσει, εἰ μή καί αὐτή ἀπρόσιτος ᾖ καί τῆς αὐτῆς φύσεως, ἀλλ᾿ ὑπό τῆς θύρας κατακαήσεται ἤ καί ἡ θύρα ὑπό τοῦ οἴκου, καί ἴσως τοῖς πᾶσι γενήσεται ἄβατος. Μᾶλλον δέ καί ἡ πίστις ἡμῶν καταλυθήσεται, τῆς Ἁγίας Τριάδος διαιρουμένης εἰς προσιτόν καί ἀπρόσιτον καί μεῖζον καί ἔλασσον.

Ὁρᾶτε δέ μή ταῦτα ὑμεῖς ἀκούοντες, ἀπό τῶν αἰσθητῶν οἰκιῶν ὁμοῦ καί θυρῶν τάς εἰκόνας λαμβάνοντες, σωματικόν τι σχῆμα τῷ νοΐ ὑμῶν προεντυπωθῇ, καί εἰς ἀμφιβολίαν καί βλασφημίαν περιπέσῃ ὑμῶν ἡ ψυχή. Ἀλλά θεοπρεπῶς ἅπαντα καί καλῶς, (417) εἴγε δύνασθε, κατά τόν τῆς θεωρίας λόγον καί νόμον ἐν ἑαυτοῖς ἀναλογιζόμενοι, εὑρήσετε ὀρθῶς ἅπαντα διερμηνευόμενα. Εἰ δέ μή δύνασθε ταῦτα θεοπρεπῶς οὕτω νοεῖν, πίστει ταῦτα δέχεσθε μόνῃ καί μή πολυπραγμονεῖν ὅλως θελήσητε. Κλείς μέν γάρ τό Ἅγιον Πνεῦμα λέγεται, ὅτι δι᾿ αὐτοῦ καί ἐν αὐτῷ πρῶτον τόν νοῦν ἐλλαμπόμεθα καί καθαιρόμενοι φωτιζόμεθα φῶς γνώσεως, βαπτιζόμεθά τε ἄνωθεν καί ἀναγεννώμεθα καί τέκνα Θεοῦ χρηματίζομεν, καθώς ὁ Παῦλός φησιν· "Αὐτό τό Πνεῦμα ἐντυγχάνει ὑπέρ ἡμῶν στεναγμοῖς ἀλαλήτοις", καί πάλιν· "Ἔδωκεν ὁ Θεός τό Πνεῦμα αὐτοῦ ἐν ταῖς καρδίαις ἡμῶν κρᾶζον· Ἀββά ὁ Πατήρ". Τοῦτο τοιγαροῦν δεικνύει τήν θύραν ἡμῖν ὅτι ἐστί φῶς, ἡ δέ θύρα διδάσκει ἡμᾶς ὅτι ὁ ἐνοικῶν τῇ οἰκίᾳ καί αὐτός φῶς ἀπρόσιτον ἐστιν. Οὐκ ἄλλος δέ ὁ οἰκῶν Θεός καί ἕτερον φῶς ἡ οἰκία αὐτοῦ, ὥσπερ οὐδέ ἄλλο φῶς τό τῆς Θεότητος καί ἄλλο Θεός. Ἀλλ᾿ ὁ αὐτός εἷς ἐστιν, οἰκία καί ἔνοικος, καθώς καί φῶς ἐστιν ὁ αὐτός καί Θεός. Θεολογικῶς δέ οἰκία καί ὁ Υἱός καλεῖται, ὥσπερ καί ὁ Πατήρ - φησί γάρ· "Σύ, Πάτερ, ἐν ἐμοί κἀγώ ἐν αὐτοῖς καί αὐτοί ἐν ἐμοί κἀγώ, Πάτερ ἐν σοί, ἵνα ἕν ὦμεν", καί τό Πνεῦμα ὡσαύτως· "Ἐνοικήσω, φησίν, ἐν αὐτοῖς καί ἐμπεριπατήσω. Ἐγώ καί ὁ Πατήρ ἐλευσόμεθα καί μονήν παρ᾿ αὐτῷ ποιήσομεν", διά τοῦ Πνεύματος δηλονότι, ὡς ὁ Παῦλος φησι· "Τό γάρ Πνεῦμα ὁ Κύριος ἐστιν". Εἰ οὖν ὁ Κύριος τό Πνεῦμα ἐστι καί ὁ Πατήρ ἐν αὐτῷ καί αὐτό ἐν ἡμῖν, ὡσαύτως δέ πάλιν ἡμεῖς ἐν αὐτῷ, καί αὐτό μετά Θεοῦ καί Πατρός καί ὁ Θεός ἐν αὐτῷ.

(418) Καί εἰ χρή ἀκριβέστερόν τι εἰπεῖν, ὅπερ τό ἕν ἐστι, τοῦτο καί τά δύο. Τά τρία γάρ ἐν τῷ αὐτῷ εἰσι καί εἰς μίαν νοοῦνται οὐσίαν καί φύσιν καί βασιλείαν. Εἴ τι οὖν τό ἕν ὀνομάζεται, τοῦτο κατά φύσιν καί εἰς τά λοιπά θεωρεῖται, χωρίς τοῦ "Πατήρ" δηλαδή καί "Υἱός" καί "Ἅγιον Πνεῦμα", ἤτοι τοῦ "γεννᾶν" ἐκτός καί "γεννᾶσθαι" καί "ἐκπορεύεσθαι"· μόνα γάρ ταῦτα τῇ Ἁγίᾳ Τριάδι φυσικῶς τε καί κατ᾿ ἰδιότητα ἀναντιρρήτως παρέπεται. Ἀλλοίωσιν δέ ἤ ἀναποδισμόν ἤ τήν τῶν ὀνομάτων ἐναλλαγήν ἐν τούτοις οὐκ ἔστιν ἐννοῆσαι ἡμᾶς ἤ εἰπεῖν. ∆ιά τούτων γάρ τά τρία πρόσωπα γνώριμα καθεστήκασι καί οὐδέ τόν Υἱόν ἐν τούτῳ προτάξαι τοῦ Πατρός ἐστι δυνατόν, οὐδέ τοῦ Υἱοῦ τό Ἅγιον Πνεῦμα, ἀλλά ἅμα οὕτως εἰπεῖν· "Πατήρ, Υἱός καί Ἅγιον Πνεῦμα", μή διακοπῆς τινος ἐν τούτοις ἀπό χρόνου ἤ στιγμῆς τό λεπτότατον γινομένης, ἀλλά σύν τῷ Πατρί ἅμα καί ὁ Υἱός ἐστι γεγεννημένος καί τό Πνεῦμα ἐκπορευόμενον· ἐν δέ τοῖς ἄλλοις πᾶσι τό ἕν ὄνομα ἤ παράδειγμα καί καθ᾿ ἕν ἀναθεωρεῖται καί ἐν τρισίν· οἷον "φῶς" ἐάν εἴπῃς, καί καθ᾿ ἕκαστον τούτων φῶς καί τά τρία ἕν φῶς ἐστι· "ζωή αἰώνιος", καί καθ᾿ ἕν ὡσαύτως τούτων ὁ Υἱός ἐστι καί τό Πνεῦμα καί ὁ Πατήρ καί τό Πνεῦμα καί ὁ Πατήρ, τά τρία μία ζωή. Πνεῦμα οὖν ὁ Θεός καί Πατήρ καί τό Πνεῦμα ὁ Κύριος ἐστι καί Θεός τό Πνεῦμα τό Ἅγιον· Θεός ταῦτα καθ᾿ ἕν καί ἅμα τά τρία Θεός· εἷς Κύριος ἕκαστον καί τά τρία Κύριος· εἷς ὁ ἐπί πάντων Θεός, Κτίστης τῶν ἁπάντων, καθ᾿ ἕν, καί εἷς ταῦτα ∆ημιουργός τῶν ὅλων Θεός. Φησί δέ καί τό παλαιόν· (419) "Ἐν ἀρχῇ ἐποίησε ὁ Θεός