Romans 1:20

The context

Romans 1:18 opens the letter's indictment: the wrath of God is revealed against ungodliness, "for" what can be known of God is plain to them (1:19). Verse 20 gives the ground of that "plain." What follows in 1:21–32 describes the response — they knew God and did not honor him, and the threefold "God gave them up" traces the consequence.

The passage is not a free-standing doctrine of creation but the first move in an argument running to 3:20. Its function is to establish that unbelief is culpable rather than merely uninformed.

The words

Kathoratai, "are clearly seen," is a present passive of kathoraō, to discern or see clearly. Nooumena, from noeō, to perceive with the mind, sits alongside it as a participle: seen, being understood. The two verbs together claim both perceptibility and comprehension, and the means named is "the things that have been made."

Theiotēs, "divinity" or "divine nature," is an abstract noun for the quality of being divine. It is not the same word as the one used in Colossians 2:9, and it does not by itself carry the full weight of "Godhead."

Poiēmasin, "things made," comes from poieō, to make.

What this passage establishes

That God's power and divinity are perceptible in the created order, and that this perception leaves humanity without excuse. The claim is about culpability, and it is made in the service of an argument about judgment.

What it does not establish

It does not say creation teaches the gospel. The content named is eternal power and divine nature. Nothing here discloses the Trinity, the incarnation, or the cross. Natural theology that claims more than this verse gives is claiming more than Paul claimed.

It does not describe a neutral inquiry. The verses around it say the truth is suppressed (1:18) and that those who knew God did not honor him (1:21). What is described is knowledge held down, not a conclusion reached in calm.

It does not state that this knowledge suffices for salvation. Paul does not say so, and the letter's logic points the other way: the knowledge condemns, and the gospel saves. Those who make general revelation sufficient are adding a step.

How the church has read it

This is the proof text of natural theology. Aquinas used it for the knowability of God from creatures, and the First Vatican Council defined that God can be known with certainty from created things by the natural light of reason. Barth rejected the enterprise, and his exchange with Brunner over nature and grace turned on whether this verse supports a point of contact. Reformed writers have generally held that the revelation is real and its suppression culpable, while denying that it saves.

First pass, written October 2026. Corrections welcome.

Cited in these answers

• The fine tuning argument that the universe saw us coming is pretty lame!
• Doesn't evolution account for the origin and diversity of life on earth, thereby eliminating the need to appeal to God?
• Doesn’t the fossil evidence support the theory of evolution?
• What about vestigial organs like the appendix, or the gill-slits in fetuses? Surely you can't mean that makes more sense given theism than evolution?
• Is there any evidence for Intelligent Design?
• I believe in god if you want to define god as "nature." It's called Evolutionary Naturalism.
• How do you reconcile creation and science?
• I hear a lot about “intelligent design.” Has this now proven God and falsified evolution?
• Isn’t it more plausible to suppose that all that exists is matter, since such an account posits only a single kind of substance whereas theistic accounts must posit something else in addition to matter? Ever heard of Ockham’s Razor?
• Atheism is just a lack of belief. I lack belief in God, so the burden of proof is on you.
• Questions For Atheists: turnabout isn't an argument, and loaded questions don't prove anything

Part of Scripture, Opened — the exegetical layer behind every citation on this site. Scripture quotations are from the ESV.