Therefore, in the case of our Lord Jesus Christ,
seeing that we recognise that He has two natures but only one
subsistence compounded of both, when we contemplate His natures we
speak of His divinity and His humanity, but when we contemplate the
subsistence compounded of the natures we sometimes use terms that have
reference to His double nature, as “Christ,” and “at
once God and man,” and “God Incarnate;” and sometimes
those that imply only one of His natures, as “God” alone,
or “Son of God,” and “man” alone, or “Son
of Man;” sometimes using names that imply His loftiness and
sometimes those that imply His lowliness. For He Who is alike God
and man is one, being the former from the Father ever without ἀεὶ
ἀναιτίως ἐκ
Πατρός. cause, but having become the latter
afterwards for His love towards man Greg. Naz.,
Orat. 35..