The one who believes in the Son believes also in the Father, for he believes in what is proper to the Father’s essence. And thus the faith is one in one God. And the one who worships and honors the Son, in the Son worships and honors the Father. For the Godhead is one. And therefore the honor is one and the worship is one that is paid to the Father in and through the Son. And the one who worships in this way worships one God. For there is one God and none other … Therefore, these passages [Mrk 12:29; Exo 3:14; Deu 32:39 (LXX);