ACC ~ 1 Timothy 6 v16a

GOD’S IMMORTALITY UNIQUE. ORIGEN: To be fully alive belongs to God, more fully than to any creature. The apostle considered the superiority of the life of God to be beyond comparison. It is with this in mind that Scripture says “Surely as I live, all the earth will be filled with the glory of the Lord.” This is God, “Who alone has immortality,” because none of the living beings with God has the life whose aliveness is absolutely unchangeable and immutable. COMMENTARY ON JOHN 2.123.

SHARED WITH THE SON. AMBROSE: How could the Son not have immortality who has life in himself? He has it in his nature. He has it in his essential Being. God has it not as a temporal grace but owing to his eternal Godhead. He has it not by way of a gift as a servant but by peculiar right of his generation, as the coeternal Son. He has life in the same way that the Father has life. OF THE CHRISTIAN FAITH 5.2.35.

THE SON IS THE IMMORTALITY. GREGORY OF NYSSA: But we, even when we are told that God “only has immortality,” we understand by “immortality” the Son. For life is immortality, and the Lord is that life, who said, “I am the Life.” And if he is said to dwell “in the light that no man can approach,” again we make no difficulty in understanding that the true Light, unapproachable by falsehood, is the Only-begotten, in whom we learn from the Truth itself that the Father is. Are we to think of the Only-begotten in a manner worthy of the Godhead, or to call him, as heresy prescribes, perishable and temporary? AGAINST EUNOMIUS 2.4.

THE UNCHANGEABLE IS IMMORTAL. AUGUSTINE: Already you have told me, O Lord, by means of a loud voice in my interior ear, that you are eternal, alone possessing immortality, since you change in relation neither to any form nor to motion. Your will is not altered in regard to periods of time, because no will is immortal if it is now one way and now another. In your sight this is clear to me. May it become more and more clear, I pray, and may I continue to live soberly under your protecting wings, within the influence of this revelation. CONFESSIONS 12.11.11.

THE SOUL ONLY RELATIVELY IMMORTAL. AUGUSTINE: I am doing the right thing in taking my time over this question [about the origin of the soul], because I have no doubt at all that the soul is immortal, not as God is, “Who only has immortality,” but in a certain way according to its own nature, and that it is a created being, not the substance of the Creator: this I hold most firmly, as well as all other truths about the nature of the soul. LETTERS 143.1.7.

GOD’S IMMORTALITY DISTINGUISHED FROM THE SOUL’S. AUGUSTINE: So if God alone has immortality, is the soul mortal? That’s why I said the soul is immortal after its own fashion. You see, it can also die. Your graces must try to understand, and then the problem will be solved. I make bold to say, the soul can die, can be killed. Certainly it’s immortal. So there you are; I make bold to say it is both immortal in one sense and capable of being killed in another sense. And that’s why I said there is a kind of immortality, that is to say, an absolute and total unchangeableness, which God alone has, as it says of him, “Who alone has immortality.” SERMONS 65.4.

1 Tim