Romans 3:14 · Bible study
Romans 3:14 Commentary: The Mouth's Testimony to Universal Sin
Greek · 9 what the commentators say
Meaning in one sentence
Paul quotes Psalm 10:7 to show that cursing and bitterness in speech prove universal human sinfulness and the need for the gospel.
Research Summary
- Meaning: Paul quotes Psalm 10:7 to show that human speech, full of cursing and bitterness, proves universal sinfulness.
- Key words: ἀρά (curse, malediction), πικρία (bitterness, cruel hatred), γέμω (to be full, completely filled).
- Main debate: Whether the word 'bitterness' (πικρία) corresponds to Hebrew 'deceit' (מרמות) in Psalm 10:7, and whether the emphasis is on open hostility or covert deception.
- Theological theme: Total depravity: sin extends to every faculty, including speech; all are under sin and in need of justification.
- Best use: As a diagnostic text in evangelism and discipleship, showing that sin is not merely actions but flows from the heart and is evidenced in everyday words.
Translation Comparison
BSB Berean Standard Bible 2020
“Their mouths are full of cursing and bitterness.”
WEB World English Bible 2000
“Their mouth is full of cursing and bitterness.”
KJV King James Version 1769
Whose mouth is full of cursing and bitterness:
ASV American Standard Version 1901
Whose mouth is full of cursing and bitterness:
YLT Young's Literal Translation 1898
Whose mouth is full of cursing and bitterness.
Darby Darby Bible 1890
whose mouth is full of cursing and bitterness;
Douay-Rheims Douay-Rheims Bible 1899
Whose mouth is full of cursing and bitterness:
Translations in other languages (10 available)
Cuya boca está llena de maledicencia y de amargura;
“Suas bocas estão cheias de maldição e amargura”.
Leur bouche est pleine de malédiction et d’ amertume;
ihr Mund ist voll Fluchens und Bitterkeit.
Welker mond vol is van vervloeking en bitterheid;
La loro bocca è piena di maledizione e d’amarezza.
Których usta napełnione są przeklinania i gorzkości;
Уста их полны злословия и горечи.
滿 口 是咒罵 苦毒。
Whose mouth is full of curses and bitter words:
Verse in Context
Original Language (Koine Greek)
New Testament · Koine Greek · Romans 3:14
Source: STEPBible TAGNT/TEHB (CC-BY 4.0). Click or tap a morphology code to see the full parsing.
Scholars' Consensus
Commentators agree that Paul cites Psalm 10:7 to illustrate the depth of human sinfulness, specifically through the evidence of speech. The verse functions as part of a catena of Old Testament quotations, Psalm 14, Psalm 5, Psalm 10, and others, that together prove both Jews and Gentiles are under sin. Barnes notes that Paul gives the sense of the psalm rather than a literal quote. Clarke emphasizes that the 'mouth full of cursing' indicates a life characterized by profane oaths and blasphemies. Gill adds that 'full' denotes the frequency of the sin; almost nothing else comes out of the mouth. Calvin points out that the Septuagint uses 'bitterness' where the Hebrew likely means 'deceit' or 'mischievous deceit,' but the meaning is that wickedness overflows in every direction. JFB describes the mouth as 'set on fire of hell.' All these readings converge on one point: the corruption of the heart inevitably spills out in words. This verse is not a random accusation but a deliberate witness that every human being, before God, stands guilty.
How settled is the interpretation?
Interpretive difficulty: Medium
Main views:
- Bitterness as cruel speech: Barnes and Gill understand bitterness as severity, harshness, cruelty; supported by the Septuagint's use of πικρία and the context of cursing.
- Bitterness as deceit: Calvin notes the Hebrew original may be 'deceit' or 'mischievous deceit,' so bitterness includes deception; supported by the parallel in Psalm 10:7 which mentions deceit.
What is clear: Paul uses Psalm 10:7 to demonstrate that human speech is full of sin, proving that all are under sin and need justification by faith.
What Scholars Agree and Debate
| Topic | Agreed | Debated |
|---|---|---|
| Meaning of bitterness | Paul uses the word πικρία (bitterness) from the Septuagint to describe the content of sinful speech. | Some commentators (Barnes, Gill) understand bitterness as harsh, cruel, malicious words. Calvin notes that the Hebrew original may mean 'deceit' or 'mischievous deceit,' pointing to deception as the primary sin. The difference affects whether the emphasis is on open hostility or covert manipulation. |
| Accuracy of Paul's quotation | Paul is citing the sense of Psalm 10:7, not a word-for-word reproduction. | Barnes states Paul 'has not quoted this literally, but has given the sense.' However, the wording closely matches the Septuagint, so some argue Paul intentionally uses the Septuagint version to reach a Greek-speaking audience. The exact relationship to the Hebrew text remains a point of discussion. |
| Function in Paul's argument | This verse contributes to Paul's proof that all people, both Jews and Gentiles, are under sin. | Some emphasize that Paul is primarily silencing Jewish boasts of privilege (see v.19: 'every mouth may be stopped'). Others see it as a universal indictment of humanity so that the gospel is needed by all. Both are present, but the emphasis differs among commentators. |
Historical & Cultural Context
Romans 3:14 sits within Paul's sweeping argument that all humanity is under the power of sin. In verses 10-18, he assembles a mosaic of Old Testament testimonies. These verses originally described the wicked enemies of the psalmist or the rebellious people of Israel, but Paul applies them universally. The quotation in verse 14 comes from Psalm 10:7, a psalm that contrasts the arrogance of the wicked with the trust of the afflicted. In the original context, the 'mouth full of cursing, deceit, and oppression' belongs to the wicked who hunts down the poor. Paul seizes this language and places it on every human mouth.
Historical background: In Jewish teaching, speech was a serious matter. The mouth reveals what is in the heart (Matthew 12:34). Cursing, directed at God or others, was seen as a grave sin, as was bitterness, which encompasses harsh, cruel, or deceitful words. The catena is carefully chosen: the throat (v.13), tongue (v.13), lips (v.13), mouth (v.14), feet (v.15), and eyes (v.18) all show the whole person is corrupted. By citing these verses, Paul silences any claim that outward observance or ancestry can shield a person from the verdict of sin. The purpose is not to catalog specific sins but to demonstrate that every part of human life, including the most intimate expressions of the heart, stands condemned. This paves the way for the gospel announcement that righteousness comes through faith in Christ, apart from the law.
Textual Notes
The supplied sources note no significant textual variants for Romans 3:14. The verse faithfully reproduces the Septuagint version of Psalm 10:7, with the word πικρία (bitterness) standing in place of the Hebrew term for 'deceit.' Calvin observes that the Septuagint translators used 'bitterness' where the Hebrew likely reads something closer to 'mischievous deceit,' but no manuscript evidence supports the alternative reading. The textual tradition is stable.
Reception History
Throughout church history, Romans 3:14 has been used to illustrate the doctrine of total depravity. Early Christian writers, including Augustine, appealed to this catena to argue that no person is righteous by nature, citing the evidence of uncontrollable sin in speech. The Reformers found here a key text for the necessity of justification by faith alone: if even our words are corrupt, we cannot stand before God on our own merit. In the Wesleyan tradition, the verse has been applied in calls to heart religion, where inward change must precede outward reformation. Modern commentators across traditions continue to use this verse to preach on the tongue as a mirror of the heart, drawing on James 3 as a complement. The verse remains a staple in evangelistic preaching on sin and grace.
Preaching This Verse
Three-point outline
- The mouth reveals the heart. Words are not harmless; they expose the inner condition.
- Cursing and bitterness are not minor sins. They prove our complicity in the rebellion that began in Eden.
- Universal guilt opens the door for universal grace. If all are guilty, then the gospel is needed by all.
Five-point outline
- Speech as a diagnostic for sin: What comes out of your mouth shows what is in your heart.
- The reach of sin: From throat to feet to eyes, every part of the person is affected.
- The danger of a 'full mouth': When cursing fills the mouth, there is no room for blessing.
- The deception of 'only words': Words carry weight; they reflect our standing before God.
- The gospel answer: A new heart produces new speech, as God creates a clean heart within us.
Illustration hooks
- Road rage: Words explode in a moment of frustration, revealing anger that was already there.
- Gossip in a church hallway: Words spoken in private can carry bitterness long after the conversation ends.
- Social media arguments: Keyboard courage often reveals hidden bitterness that would never be said face-to-face.
Questions your congregation is asking
- Why does Paul focus on speech? Does that mean my words are that serious?
- How can I know if I am really sinful if I don't commit big sins like murder or adultery?
- What hope is there if even my speech is corrupt? Can God really change my heart?
Leading a Discussion
Paul uses Old Testament quotes to show that our words are evidence of our separation from God. This verse challenges us to consider what our speech reveals about our hearts. Use these questions to guide your group discussion.
Discussion questions
- What does this verse say about the state of the person described?
- Why do you think Paul chose this particular psalm for his argument?
- How does 'cursing' differ from 'bitterness' in your own experience?
- In what ways do we see this kind of speech in the world around us today?
- What does this verse teach about the connection between the heart and the mouth?
- Why is it important that Paul applies this indictment to both Jews and Gentiles?
- How does this verse prepare us for the good news of the gospel in Romans 3:21-26?
Word Study
The key original-language words in this verse. Select any word for its full lexicon entry — meaning, every occurrence in Scripture, and related words.
Cross-References
Source: Treasury of Scripture Knowledge (TSK, public domain)
| Psalms 10:7 | His mouth is full of cursing, deceit, and oppression. Under his tongue is mischief and iniquity. |
| Psalms 59:12 | For the sin of their mouth, and the words of their lips, let them be caught in their pride, for the curses and lies which they utter. |
| Psalms 109:17 | Yes, he loved cursing, and it came to him. He didn’t delight in blessing, and it was far from him. |
| Psalms 109:18 | He clothed himself also with cursing as with his garment. It came into his inward parts like water, like oil into his bones. |
| James 3:10 | Out of the same mouth comes blessing and cursing. My brothers, these things ought not to be so. |
Interlinear and lexical data from STEPBible (CC BY 4.0). Cross-reference data from OpenBible.info (CC BY 4.0). Commentaries are public domain.
For personal reflection
Read the devotional page — prayer, application, and "for families"
What the Commentators Say
7 public-domain commentaries, condensed into plain language.
Adam Clarke's Commentary Methodist/Wesleyan 1826
Whose mouth is full of cursing, etc. - They never speak but in profane oaths, blasphemies, and malice.
Calvin's Commentaries Reformed 1564
Calvin notes that the Septuagint renders the Hebrew word for "deceit" or "mischievous deceit" as "bitterness." But his point is that either way the meaning is the same: their speech is filled with wickedness, whether they deceive with poisonous flattery or openly spew out cursing and bitterness.
Geneva Bible Notes Reformed 1599
Whose mouth is full of cursing and bitternesse.
Gill's Exposition of the Bible Baptist 1748
Gill emphasizes that a mouth "full" of cursing and bitterness points to a frequent, ingrained habit rather than an occasional slip. He distinguishes cursing aimed at God, superiors, good people, and the self, and notes it ultimately harms the speaker. Bitterness he treats as either sin in general or the specific sinful words that flow from a corrupted heart.
Jamieson-Fausset-Brown Commentary Protestant 1871
JFB highlights a tragic reversal: the same mouth meant to speak sweetly and bless is instead set on fire by hell, pouring out burning wrath on those it should have blessed. The commentator draws this sharp contrast to show how sin perverts even the most gracious instrument.
Matthew Henry's Commentary Reformed/Presbyterian 1710
Henry notes that the Jew's great advantage lay in receiving God's oracles, a privilege no other nation had. He then clears away the objection that some Jews' unbelief could undo God's faithfulness: human failure does not cancel divine truth, but rather highlights it.
Wesley's Explanatory Notes Methodist/Wesleyan 1754
Wesley draws a sharp distinction between two kinds of sin in this verse: cursing targets God, while bitterness targets other people. Both are wicked, but they have separate objects. The sinner's mouth pours out malice toward both heaven and earth.