Passage

Romans 1.19-20

"because that which is known about God is evident within them; for God made it evident to them. For since the creation of the world His invisible attributes, His eternal power and divine nature, have been clearly seen, being understood through what has been made, so that they are without excuse." (Romans 1:19-20, NASB95)

Romans 1:19-20 is the locus classicus of biblical natural theology. Paul claims that knowledge of God's existence, power, and divine nature is universally available through the created order, that this knowledge is in fact given (not merely accessible) to every human being, and that this universal availability grounds the universal culpability of human sin. The verse pair anchors the entire Pauline argument from Rom 1:18 through Rom 3:20 that "all have sinned and fall short of the glory of God", without general revelation as its premise, the universal-guilt verdict would collapse.

Immediate context (±2 verses)

ASV (ASV)

"17. For therein is revealed a righteousness of God from faith unto faith: as it is written, But the righteous shall live by faith. 18. For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who hinder the truth in unrighteousness;"

"19. because that which is known of God is manifest in them; for God manifested it unto them. 20. For the invisible things of him since the creation of the world are clearly seen, being perceived through the things that are made, even his everlasting power and divinity; that they may be without excuse:"

"21. because that, knowing God, they glorified him not as God, neither gave thanks; but became vain in their reasonings, and their senseless heart was darkened. 22. Professing themselves to be wise, they became fools," (Romans 1:17-22, ASV)

WEB (WEB)

"17. For in it is revealed God’s righteousness from faith to faith. As it is written, “But the righteous shall live by faith.” 18. For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who suppress the truth in unrighteousness,"

"19. because that which is known of God is revealed in them, for God revealed it to them. 20. For the invisible things of him since the creation of the world are clearly seen, being perceived through the things that are made, even his everlasting power and divinity; that they may be without excuse."

"21. Because, knowing God, they didn’t glorify him as God, neither gave thanks, but became vain in their reasoning, and their senseless heart was darkened. 22. Professing themselves to be wise, they became fools," (Romans 1:17-22, WEB)

KJV (KJV)

"17. For therein is the righteousness of God revealed from faith to faith: as it is written, The just shall live by faith. 18. For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who hold the truth in unrighteousness;"

"19. Because that which may be known of God is manifest in them; for God hath shewed it unto them. ^{in them: or, to them} 20. For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made, even his eternal power and Godhead; so that they are without excuse: ^{so: or, that they may be}"

"21. Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened. 22. Professing themselves to be wise, they became fools," (Romans 1:17-22, KJV)

YLT (YLT)

"17. For the righteousness of God in it is revealed from faith to faith, according as it hath been written, 'And the righteous one by faith shall live,' 18. for revealed is the wrath of God from heaven upon all impiety and unrighteousness of men, holding down the truth in unrighteousness."

"19. Because that which is known of God is manifest among them, for God did manifest [it] to them, 20. for the invisible things of Him from the creation of the world, by the things made being understood, are plainly seen, both His eternal power and Godhead, to their being inexcusable;"

"21. because, having known God they did not glorify [Him] as God, nor gave thanks, but were made vain in their reasonings, and their unintelligent heart was darkened, 22. professing to be wise, they were made fools," (Romans 1:17-22, YLT)

Setting

Speaker: Paul the Apostle (Paul the Apostle)
Audience: Christian believers in Rome (Jew + Gentile)
Location: composed in Corinth; addressed to Rome
Time period: composed c. AD 57
Letter context: Rom 1:18-32 is the opening movement of the universal-guilt argument that runs through 3:20. Paul addresses Gentile sin first (1:18-32), then Jewish sin (2:1-3:8), then concludes all are guilty (3:9-20).

Theological reading

General revelation defined. Paul distinguishes two channels of divine self-disclosure: special revelation (Scripture, prophets, Christ) and general revelation (creation, conscience, providence). Romans 1:19-20 is the canonical proof-text for general revelation. What is knowable about God from creation alone includes God's "eternal power" (sustaining causality behind everything) and "divine nature" (theiotēs, the godhood-quality that distinguishes deity from creaturehood). This is not full saving knowledge, that requires special revelation in Christ, but it is enough to render unbelief inexcusable.

Invisible attributes clearly seen. Paul's paradox is deliberate: the invisible attributes are clearly seen through what is made. The created order functions as a window through which the Creator's character is visible. The verb kathoratai ("are clearly seen") is in the present passive, the seeing is ongoing and is done to the human, not actively by the human. Creation does the work; humans cannot avoid the seeing. This is the textual groundwork for what Calvin called the sensus divinitatis and what Alvin Plantinga later developed in Warranted Christian Belief as a properly basic disposition to form belief in God upon encountering certain features of the world. See sensus divinitatis.

"Without excuse" (anapologētous). The Greek is the source of the English word "apologetic" inverted, humans are without defense. The function of general revelation in Paul's argument is forensic: it underwrites God's case at the universal judgment by ensuring no one can plead ignorance. This is why Presuppositionalism (Van Til, Bahnsen, Frame) reads Romans 1 as foundational: every human knows God, and unbelief is therefore not honest doubt but moral suppression of known truth (cf. v. 18, "who suppress the truth in unrighteousness").

Two main schools of natural theology. Romans 1:19-20 funds two different apologetic strategies:

Classical / evidentialist natural theology (Aquinas's Five Ways, Paley, modern Kalam, fine-tuning, design arguments). The verse is read as licensing the inference from creation to God by ordinary reasoning. The cosmological, teleological, and moral arguments operationalize this. See Kalam Cosmological Argument, Fine-Tuning Argument, design argument.
Presuppositional / transcendental (Van Til, Bahnsen, Plantinga's Reformed epistemology). The verse is read as teaching that God-knowledge is direct and unavoidable, not the conclusion of an inference. Unbelief is therefore active suppression, and apologetics' job is to expose the suppression, not to construct fresh arguments. See Presuppositionalism, Transcendental Argument for God.

Both schools cite this passage; the difference is whether the "clearly seen" is inferential or immediate. Most contemporary apologists treat the two as complementary rather than rival strategies.

The Guillen connection. Michael Guillen, the Harvard-trained physicist and former ABC News science editor, builds his Believing Is Seeing argument explicitly from Romans 1:19-20: the laws of physics, the mathematical describability of the universe, the fine-tuning constants, and the existence of information-bearing structure are precisely the kinds of "invisible attributes clearly seen through what has been made" Paul names. See Argument from Physics (Guillen), Michael Guillen.

The suppression mechanism (v. 18, 21). Paul does not stop at the availability of revelation. He goes on (v. 21-32) to describe how humans suppress the truth: knowing God, they refuse to glorify or thank him; their reasoning becomes futile; their hearts darken; they invent idols; they descend into moral chaos. The modern atheist's claim that "there's no evidence" is, on Paul's account, not honest reportage but the suppression mechanism in operation. The unbeliever already knows; the unbelief is a performance maintained against the knowing. See Agnostic Retreat Defeater.

Key words

G2305 - theiotes, theiotēs, "divine nature, godhead"; what is knowable about God from creation.
G2316 - theos, theos, "God"; the object of revealed knowledge.
G2937 - ktisis, ktisis, "creation"; the medium of general revelation.
G2889 - kosmos, kosmos, "world"; the ordered cosmos where God's power is visible.
anapologetos, anapologētos, "without excuse, without defense"; the forensic verdict.

Theological themes

General revelation. Universal availability of basic God-knowledge through creation. See Natural Theology, general revelation.
Sensus divinitatis. Calvin's term for the innate God-sense. See sensus divinitatis.
Suppression of truth. Atheism as performance, not honest doubt. Paired with Rom 1:18, 21-32.
Universal culpability. Why "no one is without excuse" grounds the judgment of Rom 2-3.
Apologetic methodology. Classical evidentialism vs presuppositionalism, both rooted here.

Cross-references

Romans 1, the surrounding chapter framing the whole universal-guilt argument.
Romans 1.18-21, the existing rich passage hub treating the wrath / suppression frame.
Acts 14.15-17, Paul at Lystra: God left "witness" to himself through rains and seasons.
Acts 17.27, Paul at the Areopagus: God placed humans so they might seek and find him.
Psalms 19.1-4, "the heavens declare the glory of God"; the OT background.
Psalm 19, full psalm of general + special revelation paired.
Job 38-41, God's speech from the whirlwind; creation as theophany.
Wisdom of Solomon 13:1-9, Hellenistic-Jewish background to Paul's argument; humans who could not see the Creator from creation are foolish.

Quoted in

Why these four translations

ris3n chose ASV, WEB, KJV, and YLT for two reasons together. They are the most literal English translations available (formal-equivalence: word-for-word renderings that preserve the Hebrew and Greek grammar rather than smoothing it into modern dynamic-equivalence idiom). And they are in the public domain in the United States, which means fair-use quotation at any length requires no publisher license. Modern licensed translations (NASB95, ESV, NIV) restrict volume of quotation under their copyright terms, so they are not used at stub-level coverage here. NASB95 appears only on hand-curated rich passage hubs under Lockman Foundation's fair-use allowance.

The four:

ASV (American Standard Version, 1901). The basis of the modern critical-text English tradition.
WEB (World English Bible, contemporary). Public-domain revision in the ASV line, in current English.
KJV (King James Version, 1611). Reformation-era, Textus Receptus base.
YLT (Young's Literal Translation, Robert Young, 1862). Hyper-literal preservation of Hebrew and Greek grammar; useful for word-study work even where English reads stiff.

See Bibles for the full per-translation history, translators, textual basis, strengths, and weaknesses.