Reply Obj. 2: The argument holds good if sitting at the right hand be taken corporeally. Hence Augustine says (De Symb. i): "If we accept it in a carnal sense that Christ sits at the Father's right hand, then the Father will be on the left. But there"—that is, in eternal bliss, "it is all right hand, since no misery is there."
Reply Obj. 3: As Gregory says in a Homily on the Ascension (Hom. xxix in Evang.), "it is the judge's place to sit, while to stand is the place of the combatant or helper. Consequently, Stephen in his toil of combat saw Him standing whom He had as his helper. But Mark describes Him as seated after the Ascension, because after the glory of His Ascension He will at the end be seen as judge." _______________________
SECOND ARTICLE [III, Q. 58, Art. 2]
Whether It Belongs to Christ As God to Sit at the Right Hand of the
Father?
Objection 1: It would seem that it does not belong to Christ as God to sit at the right hand of the Father. For, as God, Christ is the Father's right hand. But it does not appear to be the same thing to be the right hand of anyone and to sit on his right hand. Therefore, as God, Christ does not sit at the right hand of the Father.
Obj. 2: Further, in the last chapter of Mark (16:19) it is said that "the Lord Jesus was taken up into heaven, and sitteth on the right hand of God." But it was not as God that Christ was taken up to heaven. Therefore neither does He, as God, sit at the right hand of God.
Obj. 3: Further, Christ as God is the equal of the Father and of the Holy Ghost. Consequently, if Christ sits as God at the right hand of the Father, with equal reason the Holy Ghost sits at the right hand of the Father and of the Son, and the Father Himself on the right hand of the Son; which no one is found to say.
On the contrary, Damascene says (De Fide Orth. iv): that "what we style as the Father's right hand, is the glory and honor of the Godhead, wherein the Son of God existed before ages as God and as consubstantial with the Father."
I answer that, As may be gathered from what has been said (A. 1) three things can be understood under the expression "right hand." First of all, as Damascene takes it, "the glory of the Godhead": secondly, according to Augustine "the beatitude of the Father": thirdly, according to the same authority, "judiciary power." Now as we observed (A. 1) "sitting" denotes either abiding, or royal or judiciary dignity. Hence, to sit on the right hand of the Father is nothing else than to share in the glory of the Godhead with the Father, and to possess beatitude and judiciary power, and that unchangeably and royally. But this belongs to the Son as God. Hence it is manifest that Christ as God sits at the right hand of the Father; yet so that this preposition "at," which is a transitive one, implies merely personal distinction and order of origin, but not degree of nature or dignity, for there is no such thing in the Divine Persons, as was shown in the First Part (Q. 42, AA. 3, 4).
Reply Obj. 1: The Son of God is called the Father's "right hand" by appropriation, just as He is called the "Power" of the Father (1 Cor. 1:24). But "right hand of the Father," in its three meanings given above, is something common to the three Persons.