As our wordq becomes the bodily voice, by its assumption of that voice, as a means of developing itself externally; so the Word of God was made flesh, by assuming flesh, as a means of manifesting Itself to the world. And as our word is made voice, yet is not turned into voice; so the Word of God was made flesh, but never turned into flesh. It is by assuming another nature, not by consuming themselves in it, that our word is made voice, and the Word, flesh.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).
Also cites: de Trin. xv. c. 20. [xi.]