Romans 1:20–21

Romans 1:20

-- for from [the] world's creation the invisible things of him are perceived, being apprehended by the mind through the things that are made, both his eternal power and divinity, -- so as to render them inexcusable.

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Romans 1:21

Because, knowing God, they glorified [him] not as God, neither were thankful; but fell into folly in their thoughts, and their heart without understanding was darkened

Paul has just argued that creation leaves people without excuse. He now goes further: men once knew God and let that knowledge slip, so how did a race that knew God end up worshipping images?

The Knowledge Men Once Had

The charge is not that people failed to work out God from evidence. A real knowledge of God, passed down from the past, is in view here. Idolatry only shows up later in the story.

The ground here is not what could be known but what was actually known… A knowledge of God handed down from the past is in question. This knowledge of God belonged to man even after the flood; in fact, not until after that great event do we hear of idolatry. But man was not equal to the task of guarding what God had entrusted to him, and this was because of his moral state. When they did know God, they did not glorify Him as God, and they were not thankful. That left room for empty reasonings, which darkened the heart instead of leading it into light. It was the self-sufficiency, and so the folly, of the creature. Light is only seen in God's light, and man must sink into darkness when he is not lifted up morally by looking to One above him.

William Kelly

This knowledge leaves a person guilty; it does not save. One writer draws the line: it is "not the conscious, living knowledge that comes only from new birth, but the clear evidential knowledge that makes their guilt inexcusable" (L. M. Grant).

A Descent, Not a Climb

Popular accounts of religion move upward — from crude superstition toward one God. The verse reverses that direction.

Those peoples who are pagan today once knew God. Man's course has not been from many gods to one God, as some dreamers would have us imagine, but the other way round. They have sunk out of light into the darkness. Once "they knew God" (v. 21), but the fact is, "they did not see fit to acknowledge God" (v. 28).

F. B. Hole

Thanklessness as the Hinge

Not giving thanks sounds like a small charge beside idolatry. One writer treats it as the point where men lost the light.

It is a great favour to the creature to be given a little light about the blessed God. That is what lifts man above the level of the beast. And how thankful the creature should be for that light! Where a man values the light, he thanks God for it. Where he gives God no thanks, it is a sure sign that he despises the light, and he will soon lose it.

James Boyd

What "Darkened" Means

The darkening is not a mood or a misfortune. In Scripture it names one specific loss, and it grows alongside a rising opinion of one's own cleverness.

They did not glorify God in His works, and they did not thank Him for His mercies in this life. So they lost the knowledge of God they had. They refused the witness of Creation and fell back, as men are doing today, on their own imaginations. In this way their foolish heart was darkened — that is, they lost the knowledge of God. In Scripture, moral darkness is always ignorance of God, just as light is the knowledge of God. The more foolish they became, the more they claimed to be wise; and the more they claimed to be wise, the bigger fools they became.

Hamilton Smith

That rules out the excuse that people never had a chance. Men made this darkness; they did not inherit it.

For instance, people often speak of pagan peoples as groping after the light and unable to find it. They treat it as their misfortune, not their sin, because circumstances too hard for them hold them down. Now that is not so… That was the beginning of paganism. This is man, not seeking God, but trying to escape from God — and he has escaped, so to speak, into the darkness. The darkness is the darkness of resisted light, not the absence of light.

Frederick W Grant

The Same Slope Today

This pattern is not locked in ancient history. One writer traces the same line in a soul that stops giving thanks.

The apostle gives it as a special mark of the corruption of the nations that "although they knew God, they did not honor him as God or give thanks to him." Then comes the practical result of this unthankful spirit… The heart that stops keeping a thankful sense of God's goodness will soon become "dark."… This is the line a soul out of fellowship with God will travel. It first loses the sense of being in God's hands for good, and in the end begins to think itself in His hands for evil.

C. H. Mackintosh

Summary

- Known. Their guilt rests on a knowledge of God that men once had and failed to keep. It was evidence they could see, not the knowledge that comes by new birth.

- Unthanked. A man who values the light thanks God for it. A man who gives no thanks despises it, and will soon lose it.

- Darkened. A darkened heart has lost the knowledge of God. This darkness is resisted light: man running from God, not groping for Him.

- Downward. The history of religion runs the opposite way to the popular story. Man did not climb from many gods to one God; he sank out of light into darkness.

- Today. The same slope runs under any heart that stops giving thanks. It first loses the sense of being in God's hands for good, then imagines itself in His hands for evil.