Prepare to Teach

Romans 3:9-20

The entire world is accountable to God because sin is universal and the law silences every claim to righteousness.

Scripture Text

3:9 What then? Are we better than they? No, in no way. For we previously warned both Jews and Greeks that they are all under sin.

3:10 As it is written, “There is no one righteous; no, not one.

3:11 There is no one who understands. There is no one who seeks after God.

3:12 They have all turned away. They have together become unprofitable. There is no one who does good, no, not so much as one.”

3:13 “Their throat is an open tomb. With their tongues they have used deceit.” “The poison of vipers is under their lips.”

3:14 “Their mouth is full of cursing and bitterness.”

3:15 “Their feet are swift to shed blood.

3:16 Destruction and misery are in their ways.

3:17 The way of peace, they haven’t known.”

3:18 “There is no fear of God before their eyes.”

3:19 Now we know that whatever things the law says, it speaks to those who are under the law, that every mouth may be closed, and all the world may be brought under the judgment of God.

3:20 Because by the works of the law, no flesh will be justified in His sight; for through the law comes the knowledge of sin.

Anchor

The entire world is accountable to God because sin is universal and the law silences every claim to righteousness.

All humanity stands under the power of sin, and the law exposes this guilt so that no one may boast before God.

Point of Contact

To silence self-justification and lead sinners to rest in Christ's blood, God's grace, and justification by faith apart from works of the law.

Rhythm
  1. Objection and Answer Paul handles anticipated objections about Jewish privilege, God's faithfulness, and divine judgment, refusing any logic that turns human sin into moral excuse.
  2. Scriptural Indictment A catena of Scripture exposes the universality and depth of sin in mind, speech, conduct, relationships, and reverence before God.
  3. Legal Verdict The law silences every mouth and holds the whole world accountable; works of the law cannot justify but reveal sin.
  4. Gospel Revelation God's righteousness is revealed apart from law-keeping and given through faith in Christ, whose blood demonstrates God's justice and grace.
  5. The End of Boasting Because justification is by faith apart from works, boasting is excluded and Jew-Gentile unity is grounded in the one God who justifies by faith.
Crucial Turning Point

Paul moves from defending God's faithfulness despite Jewish unfaithfulness, to proving that all humanity is under sin, to silencing every mouth before God, and then to announcing the righteousness of God given through faith in Jesus Christ.

Romans 3 establishes the full human problem and the divine gospel solution. Jew and Gentile alike are under sin, the law exposes guilt rather than producing justification, and God's righteousness is revealed in Christ so that God is both just and the justifier of those who have faith in Jesus.

Theological logic
  1. Jewish privilege is real because Israel was entrusted with God's words.
  2. Human unfaithfulness does not cancel God's faithfulness.
  3. God's righteousness is vindicated in judgment.
  4. Human sin cannot be justified on the ground that God overrules it for his glory.
  5. Jews and Gentiles alike are under sin.
  6. Scripture itself testifies that no one is righteous and no one seeks God.
  7. Sin corrupts the whole person: understanding, desire, speech, conduct, relationships, and reverence.
  8. The law speaks to those under the law so that every mouth is silenced and the whole world becomes accountable to God.
  9. Works of the law cannot justify sinful humanity.
  10. Through the law comes the knowledge of sin.
  11. But now God's righteousness has been revealed apart from the law while being witnessed by the Law and the Prophets.
  12. This righteousness is given through faith in Jesus Christ to all who believe.
  13. All have sinned and fall short of God's glory.
  14. Sinners are justified freely by God's grace through redemption in Christ Jesus.
  15. Christ's blood demonstrates God's righteousness, showing how God passed over former sins without compromising justice.
  16. God is both just and the justifier of the one who has faith in Jesus.
  17. Justification by faith excludes boasting.
  18. The one God justifies both circumcised and uncircumcised through faith.
  19. Faith upholds the law rather than overthrowing it.
Watch Out
  • Do not interpret universal guilt as denying human value; it addresses moral condition, not dignity.
  • Do not conclude that the law is defective; its purpose is revelatory, not salvific.
  • Do not assume partial righteousness qualifies for justification; Scripture declares none righteous.
  • Do not read this section apart from 3:21-26; condemnation prepares for grace.
  • Paul’s point is universal guilt and comprehensive corruption, not that every individual manifests every sin equally or exhaustively.
  • People may be religious, curious, or spiritually restless, but apart from grace they do not seek God rightly as God, in repentance, faith, and submission.
  • Paul uses the Old Testament itself to show human guilt and the need for righteousness from God. The Scriptures do not support self-justification.
  • Paul does not condemn the law as evil. The law is good in its proper function: it reveals sin and accountability. It cannot justify sinners because sinners break it.
  • In this context, Paul’s argument includes the whole law’s inability to justify sinners, because the law exposes all human sin.
  • Being under sin does not erase guilt. Paul’s conclusion is that every mouth is silenced and the whole world is accountable to God.
  • Believers need this passage to understand grace, reject boasting, cultivate humility, and marvel at justification in Christ.
  • The passage is designed to close every false hope so that the righteousness of God in Christ may be seen clearly in Romans 3:21-26.
Invitation Arc
  • The gospel must be preached against the backdrop of universal guilt. Without Romans 3:9-20, grace becomes vague and justification becomes unnecessary.
  • No human group has moral superiority before God. Jews and Gentiles, religious and irreligious, moral and immoral, are all under sin.
  • Sin is comprehensive. It corrupts the mind, will, speech, action, relationships, and worship.
  • The mouth reveals the heart. Paul’s emphasis on throat, tongue, lips, and mouth shows that speech sins are not minor before God.
  • Violence, hostility, and the absence of peace are fruits of humanity’s estrangement from God.
  • The fear of God is foundational. When reverence before God is absent, moral disorder follows.
  • The law is not a ladder to climb into righteousness. It is a mirror that reveals sin and silences boasting.
  • Religious knowledge cannot justify. The law speaks and exposes guilt, but sinners need the righteousness of God in Christ.
  • Every mouth must be silenced before the gospel can be truly received. Human defense, boasting, comparison, and excuse must fall before God.
  • Pastoral ministry must avoid flattering human nature. Scripture’s diagnosis is severe because the disease is fatal apart from grace.
Response
  • Confess specific forms of self-justification and boasting.
  • Read Romans 3:9-20 slowly as God's diagnosis rather than as abstract doctrine.
  • Memorize Romans 3:21-26 as a central gospel summary.
  • Pray with gratitude that justification is freely by grace through Christ.
  • Use the law rightly: let it expose sin and drive You to Christ.
  • Ask whether Your assurance is grounded in Christ's redemption or in Your own record.
  • Proclaim the gospel without favoritism because all are under sin and God justifies by faith.
  • Approach the Lord's Supper with fresh wonder that Christ's blood displays God's righteousness and mercy.
Formation Aim

Humility, repentance, gospel confidence, gratitude, worship, freedom from boasting, and deep trust in the justice and mercy of God revealed at the cross.

Canonical Thread
Gospel Clarity

This passage establishes the necessity of the gospel. Because all stand guilty and unable to justify themselves, righteousness must come from outside of us. In Christ, God provides the righteousness the law demands but cannot produce. Justification is by grace through faith, not by works of the law.