2 Cor 3:6: Old vs. New Covenant?
How does 2 Corinthians 3:6 differentiate between the Old and New Covenants?

Text

“He has qualified us as ministers of a new covenant, not of the letter but of the Spirit; for the letter kills, but the Spirit gives life.” (2 Corinthians 3:6)


The Immediate Context

Paul is answering critics at Corinth who questioned his credentials (2 Colossians 3:1–3). Drawing on Exodus 34, he contrasts two ministries: the Mosaic ministry of engraved letters and his Spirit-empowered ministry that produces transformed lives.


The Old Covenant: “Letter That Kills”

1. Medium: Stone tablets (Exodus 31:18) signifying permanence yet externality.

2. Purpose: Expose sin (Romans 3:20). The law is holy, but it reveals guilt and demands death (Deuteronomy 27:26; Romans 6:23).

3. Glory: Real yet fading (2 Colossians 3:7); Moses’ veiled face showed transitory splendor.

4. Result: Condemnation (2 Colossians 3:9). Human hearts of “stone” (Ezekiel 36:26) cannot meet the covenant’s demands, so the covenant functionally “kills.”


The New Covenant: “Spirit Who Gives Life”

1. Medium: Human hearts (Jeremiah 31:33). The Spirit writes the law internally (Hebrews 8:10).

2. Basis: Christ’s atoning blood (Luke 22:20). He fulfills the Law’s righteous requirement (Romans 8:3–4).

3. Glory: Surpassing and permanent (2 Colossians 3:11). Believers “beholding as in a mirror the glory of the Lord” are being transformed (3:18).

4. Result: Life and righteousness (3:6, 9). The Spirit regenerates (Titus 3:5), indwells (1 Corinthians 6:19), and empowers obedience (Romans 8:13).


Covenant Mediators Compared

• Moses—servant in God’s house (Hebrews 3:5); mediator of law (Galatians 3:19).

• Jesus—the Son over God’s house (Hebrews 3:6); mediator of a better covenant (Hebrews 8:6). His resurrection validates His role (Romans 1:4; 1 Corinthians 15:14–20).


Biblical Synthesis Of The Contrast

Deut 30:6, Jeremiah 31:31–34, and Ezekiel 36:25–27 foretold inner transformation. Paul sees their fulfillment begun in the Church. Galatians 3–4 parallels the same contrast: law-slave vs promise-heir.


Archaeological & Historical Corroboration

• Corinthian inscription naming “Erastus, city treasurer” (cf. Romans 16:23) affirms the setting of Pauline correspondence.

• Discovery of first-century ossuaries inscribed “Yaʿaqov son of Yosef brother of Yeshua” and empty-tomb evidences converge with the resurrection foundation of the new covenant (Matthew 28).


Theological Implications

1. Justification: Law condemns; Spirit applies Christ’s righteousness (2 Corinthians 5:21).

2. Sanctification: External code becomes internal compulsion (Philippians 2:13).

3. Mission: Ministers steward life-giving Spirit, not legalistic bondage (2 Colossians 3:6; 5:18–20).


Common Objections Answered

• “Law was bad.” — No. The law is “holy, righteous, good” (Romans 7:12). The problem is human sin.

• “Spirit nullifies obedience.” — False. The Spirit enables genuine obedience (Romans 8:4).

• “Covenant promise was only for Israel.” — Jeremiah 31:34 anticipates universality; Acts 10 shows Gentile inclusion.


Practical Applications

A. Assurance: Life is grounded in the irrevocable work of the Spirit, not fluctuating performance.

B. Worship: Bold, unveiled access to God replaces fear (2 Colossians 3:12–13).

C. Ethics: Because life is imparted, believers pursue holiness out of gratitude (Titus 2:11–14).


Conclusion

2 Corinthians 3:6 demarcates two diametrically opposed economies: an external, condemning letter versus an internal, life-imparting Spirit. The verse encapsulates the shift from Mosaic covenantal administration to Christ’s Spirit-mediated new covenant, where death is eclipsed by resurrection life.

What does 'the letter kills, but the Spirit gives life' mean in 2 Corinthians 3:6?
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