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I. Walking in the Truth (1:1-4)

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1. Literary Context

Third John is the shortest book in the New Testament by word count and is written as a personal letter from "the elder" (the Apostle John) to a beloved Christian named Gaius. While 2 John emphasized guarding the Church against false teachers, 3 John focuses on supporting faithful Christian workers and maintaining faithfulness within the congregation.

The opening verses (vv. 1-4) establish the tone of the letter. John expresses his affection for Gaius, prays for his well-being, rejoices in reports of his faithfulness, and identifies spiritual faithfulness as the greatest source of joy for a pastor and apostle.

These verses reveal the close relationship between Christian truth, pastoral care, and spiritual maturity. They also provide insight into the apostolic concern for the spiritual welfare of believers.

2. Law and Gospel

A. Law

B. Gospel

3. Christological Focus

John introduces himself simply as:

"The elder." 12

He writes:

"To the beloved Gaius, whom I love in truth." 13

John's affection is not based merely on friendship or personal preference.

It is rooted in their shared faith in Christ and participation in the truth of the Gospel 14.

The phrase "in truth" reflects a major theme throughout John's writings.

Truth is not merely factual accuracy but the saving revelation of God in Jesus Christ 15.

John then prays:

"Beloved, I pray that all may go well with you and that you may be in good health." 16

This prayer demonstrates that Christians may appropriately pray for both spiritual and physical blessings 17.

However, John's primary concern remains Gaius's spiritual condition:

"as it goes well with your soul." 18

The greatest blessing is not earthly prosperity but faith and fellowship with God through Christ 19.

John explains the source of his joy:

"I rejoiced greatly when the brothers came and testified to your truth." 20

The truth belongs to Gaius because he has received and believes the Gospel 21.

John further explains:

"as indeed you are walking in the truth." 22

Walking in the truth refers to a life shaped by faith in Christ and obedience flowing from that faith 23.

The climax of the passage comes in verse 4:

"I have no greater joy than to hear that my children are walking in the truth." 24

John speaks as a spiritual father whose greatest joy comes from seeing believers remain faithful to Christ 25.

This joy ultimately centers not on human achievement but on God's preserving grace.

Believers remain in the truth because Christ sustains them through His Word and Spirit 26.

The center of this passage is Jesus Christ.

He is the Truth proclaimed by the apostles 27.

He is the source of spiritual life and health 28.

He creates fellowship among believers 29.

He enables Christians to walk in the truth 30.

He is the source of the joy John describes 31.

Without Christ there is no saving truth.

With Christ there is forgiveness, fellowship, perseverance, and eternal life 32.

For Lutheran theology, these verses illustrate the importance of the means of grace and pastoral ministry. The Church rejoices when believers remain steadfast in the faith because faith itself is God's gift, created and sustained through the Gospel. Spiritual health ultimately consists in abiding in Christ and His saving promises 301.

4. Key Doctrinal Themes

A. Truth

The truth of the Gospel revealed in Christ 15.

B. Christian Fellowship

Believers are united through faith in Christ 13.

C. Sanctification

Walking in the truth as the fruit of faith 22.

D. Pastoral Care

The joy of seeing believers remain faithful 24.

E. Perseverance

God preserves believers in the truth 26.

5. Application

A. For the Church

B. For Individual Christians

6. Locations and People Referenced

A. People

B. Locations

7. Theological Topics

A. Christology

Christ as the Truth and source of life.

B. Sanctification

Walking in the truth through faith.

C. Ecclesiology

The fellowship of believers in Christ.

D. Pastoral Ministry

The shepherding care of the apostles and pastors.

E. Perseverance

Remaining steadfast in the faith.

8. Connections to the Lutheran Confessions

A. The Means of Grace

Faith is created and sustained through God's Word 301.

B. Good Works as Fruits of Faith

Walking in truth flows from faith in Christ 302.

C. The Ministry

Pastors are called to teach and care for God's people 303.

D. The Church

Believers are united through the Gospel and Sacraments 304.

9. Suggested Hymns (LSB)

Entrance Hymns

Hymn of the Day

Distribution Hymns

Closing Hymns

II. Faithful Hospitality vs. Arrogant Opposition (1:5-12)

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1. Literary Context

After expressing his joy that Gaius is walking in the truth (vv. 1-4), John commends him for his faithful support of traveling Christian workers. The Apostle then contrasts Gaius's godly conduct with the sinful behavior of Diotrephes, a church leader who rejects apostolic authority and refuses hospitality to faithful ministers.

This section highlights the importance of supporting the proclamation of the Gospel, exercising Christian hospitality, submitting to apostolic teaching, and imitating what is good rather than evil. John also introduces Demetrius as a positive example of faithful Christian character.

These verses demonstrate how faithfulness to the truth is expressed in concrete acts of love and service within the Church.

2. Law and Gospel

A. Law

B. Gospel

3. Christological Focus

John begins by commending Gaius:

"Beloved, it is a faithful thing you do in all your efforts for these brothers." 13

Gaius demonstrates his faith through practical care for traveling Christian workers 14.

John explains that these workers:

"have gone out for the sake of the name." 15

"The name" refers to Jesus Christ.

These missionaries and teachers labor for the proclamation of Christ and His Gospel 16.

John therefore writes:

"we ought to support people like these, that we may be fellow workers for the truth." 17

Not every Christian is called to travel as a missionary, but all Christians participate in the Church's mission through prayer, encouragement, hospitality, and support 18.

John then introduces a negative example:

"Diotrephes, who likes to put himself first." 19

Diotrephes rejects apostolic authority and seeks personal prominence within the Church 20.

His behavior demonstrates how pride corrupts Christian leadership.

Rather than serving Christ and His people, he seeks his own status and influence 21.

John describes several manifestations of this pride:

These actions reveal a heart focused on self rather than Christ 26.

John then offers a general exhortation:

"Do not imitate evil but imitate good." 27

The Christian life involves discerning between faithful and unfaithful examples 28.

John continues:

"Whoever does good is from God; whoever does evil has not seen God." 29

John is not teaching salvation by works.

Rather, he teaches that genuine faith produces visible fruits, while persistent rebellion reveals a spiritual problem 30.

Finally, John presents Demetrius as a positive example:

"Demetrius has received a good testimony from everyone, and from the truth itself." 31

Demetrius's reputation reflects a life shaped by the Gospel 32.

The center of this passage is Jesus Christ.

The missionaries serve for the sake of His name 15.

The truth proclaimed is His Gospel 17.

The hospitality shown supports His mission 13.

The authority rejected by Diotrephes is apostolic authority centered on Christ's teaching 23.

The good works commended by John are fruits of faith in Christ 29.

The contrast between Gaius, Diotrephes, and Demetrius ultimately points believers to Christ, the perfect servant and Shepherd of His Church 33.

For Lutheran theology, good works never earn salvation, but they naturally flow from faith. Gaius's hospitality and Demetrius's good reputation are examples of sanctification, while Diotrephes serves as a warning against pride and rejection of God's Word. The Church is called to support the Gospel faithfully while remaining centered on Christ rather than human personalities 301.

4. Key Doctrinal Themes

A. Christian Hospitality

Supporting servants of the Gospel 13.

B. Sanctification

Faith producing visible fruits of love 29.

C. Church Leadership

The danger of pride and self-promotion 19.

D. Gospel Mission

Believers participating in the spread of God's Word 17.

E. Christian Example

Imitating what is good and faithful 27.

5. Application

A. For the Church

B. For Individual Christians

6. Locations and People Referenced

A. People

B. Locations

7. Theological Topics

A. Sanctification

Good works flowing from faith.

B. Ecclesiology

The Church's responsibility to support Gospel ministry.

C. Christian Vocation

Serving Christ through acts of hospitality and support.

D. Church Leadership

Faithful leadership versus self-serving leadership.

E. Mission

Partnership in proclaiming the Gospel.

8. Connections to the Lutheran Confessions

A. Good Works as Fruits of Faith

Faith naturally produces works of love 301.

B. The Ministry of the Gospel

God works through the preaching office to spread the Gospel 302.

C. Christian Vocation

Believers serve God through ordinary acts of love and service 303.

D. Church Order

The Church is governed according to God's Word rather than personal ambition 304.

9. Suggested Hymns (LSB)

Entrance Hymns

Hymn of the Day

Distribution Hymns

Closing Hymns

III. Final Greetings in Christian Love (1:13-15)

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1. Literary Context

These verses form the conclusion of Third John. After commending Gaius for his support of faithful Christian workers (vv. 5-8), warning against the prideful behavior of Diotrephes (vv. 9-10), and praising Demetrius as a faithful example (vv. 11-12), John closes the letter with personal remarks and greetings.

Like the conclusion of 2 John, the Apostle expresses a preference for personal conversation rather than extensive written correspondence. He also extends greetings among fellow believers, emphasizing the unity and fellowship that exist within Christ's Church.

Though brief, these verses reveal important truths about Christian fellowship, pastoral care, the communion of saints, and the joy believers share in Christ.

2. Law and Gospel

A. Law

B. Gospel

3. Christological Focus

John writes:

"I had much to write to you, but I would rather not write with pen and ink." 12

As in 2 John, the Apostle recognizes that written communication, though valuable, cannot fully replace personal fellowship 13.

He continues:

"I hope to see you soon, and we will talk face to face." 14

John desires direct pastoral conversation and encouragement 15.

This reflects the incarnational character of Christianity.

God did not merely send messages to humanity.

He sent His Son in the flesh to dwell among us and accomplish salvation 16.

Throughout Scripture, God gathers His people into fellowship around His Word and promises 17.

John then pronounces a blessing:

"Peace be to you." 18

This peace is more than the absence of conflict.

It is the reconciliation with God accomplished through Jesus Christ 19.

Through His death and resurrection, Christ has established peace between God and sinners 20.

John next refers to fellow believers as:

"The friends greet you." 21

This language reflects the intimacy Christ Himself established with His disciples:

"I have called you friends." 22

Christian friendship is grounded not merely in shared interests but in a shared relationship with Christ 23.

John concludes:

"Greet the friends, each by name." 24

This personal greeting highlights the value of individual believers within the body of Christ 25.

The Church is not an anonymous institution.

It is a fellowship of redeemed people known and loved by Christ 26.

The center of this passage is Jesus Christ.

He is the source of peace 18.

He gathers believers into fellowship 21.

He creates the communion of saints 27.

He knows His people individually and calls them by name 28.

The peace, friendship, and fellowship described by John exist because Christ has reconciled sinners to God through His saving work 29.

For Lutheran theology, these verses illustrate the reality of the Church as the communion of saints. Through Word and Sacrament, Christ creates and sustains a fellowship that extends across congregations, generations, and geographical boundaries. Christian relationships are gifts flowing from the Gospel itself 301.

4. Key Doctrinal Themes

A. The Church

Christ gathers believers into one fellowship 6.

B. Communion of Saints

Christians share fellowship through faith in Christ 27.

C. Christian Peace

Peace comes through Christ's reconciliation 18.

D. Pastoral Care

Personal encouragement strengthens believers in the faith 14.

E. Christian Fellowship

Believers are united through the Gospel 21.

5. Application

A. For the Church

B. For Individual Christians

6. Locations and People Referenced

A. People

B. Locations

7. Theological Topics

A. Ecclesiology

The Church as the communion of saints.

B. Communion of Saints

The fellowship shared among believers.

C. Christology

Christ as the source of peace and unity.

D. Pastoral Ministry

The value of personal shepherding and encouragement.

E. Sanctification

Mutual encouragement among believers.

8. Connections to the Lutheran Confessions

A. The Church

The Church is the assembly of believers gathered around the Gospel 301.

B. Communion of Saints

Believers share fellowship through Christ and His gifts 302.

C. Peace Through Christ

Justification brings peace with God 303.

D. The Ministry

God strengthens believers through pastoral care and the proclamation of the Gospel 304.

9. Suggested Hymns (LSB)

Entrance Hymns

Hymn of the Day

Distribution Hymns

Closing Hymns