Biblion Bible Commentary
Read the introduction to Romans · About this commentary
They Exchanged the Glory
Romans 1:21-23
21 Because knowing God, they didn’t glorify him as God, and didn’t give thanks, but became vain in their reasoning, and their senseless heart was darkened. · WEB
The primal sin is described as a failed thanksgiving, and the descent runs from worship withheld to images of creeping things.
Because knowing God, they didn't glorify him as God, and didn't give thanks.
The root failure, when the letter finally names it, is startlingly small: not atrocity but ingratitude. Knowing God — the participle concedes the knowledge — they withheld the two responses the knowledge required: glory, and thanks. Everything catastrophic in the rest of the chapter grows from that omission, which makes thanklessness the first sin of the Gentile world as this letter tells it, the hinge on which the whole indictment turns.
What follows the withholding is described as an internal collapse: but became vain in their reasoning, and their senseless heart was darkened. The mind that will not worship does not go neutral — it goes vain, empty-running, and the darkness settles on the heart, the deciding center. Verse 22 states the result as the ancient irony: professing themselves to be wise, they became fools. The claim of wisdom and the fact of folly arrive together, and neither party can see it from inside.
Then the transaction, in the verb the passage is remembered by: and traded the glory of the incorruptible God for the likeness of an image of corruptible man, and of birds, four-footed animals, and creeping things Romans 1:23.
An exchange — glory handed over, likenesses received. The inventory is arranged as a descent: from the incorruptible God, to corruptible man, to birds, to beasts, to the things that creep. It is the creation account's order of dignity run backward — the worshiper sliding down the ladder of Genesis until what he serves is beneath what he is. And the word corruptible prices the trade: they swapped what cannot decay for portraits of what is already decaying.
The psalm had said it of Israel at the golden calf — they traded their glory for the likeness of an ox that eats grass Psalms 106:20 — and Paul universalizes the same trade. Idolatry is not the eccentric hobby of primitive peoples; it is the standing human transaction, and its modern forms differ from the ancient ones only in packaging. Whatever receives the glory and thanks that were withheld from God — that is the image, whatever it is made of.
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