Apostle John’s Three Letters . . . 2 John: 8–13

   Remaining in the Teaching of Christ

An open door can express Christian love — but does love require us to welcome every teacher who knocks? In Second John, hospitality becomes a matter of discernment when visitors bring a message that misrepresents Jesus Christ. As we study vv. 8–13, let’s consider how to extend genuine kindness without supporting deception, hold firmly to Christ’s teaching, and treasure the fellowship we share in him.

In our recent study, we considered what John means by “walking in the truth” (see Warren’s commentary). This involves more than knowing sound doctrine; it means allowing God’s truth to shape our conduct. Right belief, obedience, and love belong together.

In First John, we identified three recurring tests that help believers examine their fellowship with God and find assurance of salvation (see all three tests):

  (1) The social test: Do we love our brothers and sisters in Christ?
  (2) The moral test: Are we walking in obedience to God’s commands?
  (3) The doctrinal test: Do we confess the truth about Jesus Christ, the Son of God who truly came in the flesh?

These aren’t a grading system by which we earn salvation, but related evidences of a life rooted in Christ.

Today, vv. 8–11 call us to watchfulness, perseverance in Christ’s teaching, and discernment about supporting teachers who deny it. Following v. 7’s warning about those who reject Jesus’ coming in the flesh, John shows that remaining faithful to Christ matters both for our fellowship with God and for the work we support.

John closes by expressing his hope to visit and speak “face to face,” rather than continue with “paper and ink,” so that their shared joy may be complete. He then sends greetings from the children of the readers’ chosen sister — understood, in our interpretation of the letter, as members of a sister congregation (vv. 12–13).

Self-Inspection Is Required of Believers (2 John 8)

John began this brief letter by expressing his love for the chosen lady and her children. He rejoiced over believers walking in the truth, urged them to love one another, and explained that love involves obedience to God (vv. 4–6). He then warned about deceivers who refuse to acknowledge Jesus Christ as coming in the flesh (v.7).

His warning doesn’t mean that believers should stop loving people who reject the truth. Rather, we mustn’t let love become an excuse for supporting deceptive teaching. The more such teaching surrounds us, the more watchful we must be. John therefore writes:

“Watch out”  John’s instruction is personal and direct. “Watch out,” also translated “Look to yourselves,” calls believers to examine their own response to the danger he’s identified. Are they remaining faithful to the truth about Jesus, or allowing deceptive teachers to lead them away?

In this context, John isn’t primarily asking readers to determine whether they’ve been born again by examining their spiritual feelings. He’s urging them to guard against false teaching and protect the fruit of faithful Christian labor. His warning addresses the congregation together, although each believer has a responsibility to heed it.

We should take that responsibility seriously. Do we examine teaching by Scripture, or accept it because its messenger is persuasive? Are we continuing in what we’ve learned about Christ, or becoming attracted to ideas that distort his identity? Watchfulness requires more than identifying errors in others; it also requires humility about our own susceptibility to deception.

Protecting “what we have worked for” What might be lost? W. Hall Harris III understands “what we have worked for” as the pastoral and missionary labor undertaken within and beyond the Christian community. If deceptive teaching gains a foothold, the good accomplished through that work is endangered. This interpretation connects John’s warning with the practical consequences of allowing false teaching to spread.

Notice that the NIV reads “what we have worked for,” followed by “that you may be rewarded fully.” John associates himself with the labor whose outcome his readers must guard. Their faithfulness matters not only to them personally but also to those who’ve invested in their spiritual well-being.

Pastor Jim Gerrish emphasizes the verse’s reference to reward: “The idea in this verse is that some people may not get a full reward.” This needn’t contradict Harris’ interpretation. One emphasizes the work endangered by deception; the other emphasizes John’s stated desire that believers receive their full reward.

Albert Barnes (click to see his comment) likewise understands the verse as warning that Christians can forfeit some reward through error or unfaithfulness. His descriptions of less-brilliant crowns and less-elevated thrones, however, are illustrations of his interpretation — not details supplied by John. We can retain the seriousness of the warning without treating those pictures as the verse’s explicit teaching.

Continuing Faithfully  Christians differ over how this warning relates to perseverance, salvation, and heavenly rewards. Verse 8 itself doesn’t explain every aspect of that relationship. Its practical force is nevertheless clear: Deception threatens the fruit of Christian labor, and believers must remain watchful so that they may be rewarded fully.

John isn’t teaching that our service purchases salvation. He’s urging us not to treat lightly either the truth we’ve received or the faithful work that’s helped us grow.

Let’s therefore guard what’s been entrusted to us. We must neither abandon love in defending truth nor abandon truth in the name of love. In v. 9, John will sharpen the issue further by explaining the importance of continuing in the teaching of Christ.

Adherence to Christian Truth (2 John 9–11)

John’s warning about receiving a full reward leads directly to the importance of remaining faithful to Christ. We can’t separate fellowship with God from the truth about his Son. Yet firmness in essential doctrine mustn’t become an excuse for unkindness toward those who differ from us. John addresses teachers who reject foundational Christian truth, not every believer whose understanding differs from ours on a secondary matter.

John begins with a warning, followed by an assurance. The Greek verb proagō, translated “runs ahead,” means to go ahead or advance. The word translated “continue” comes from menō, meaning to remain or abide. The problem isn’t advancement itself, but advancement that abandons the teaching of Christ. John isn’t condemning thoughtful study or deeper understanding; he’s rejecting supposed progress that leaves the truth about Jesus behind.

Some interpreters understand this wording as exposing the teachers’ claim to superior spiritual insight. That’s a reasonable interpretation, but John doesn’t record their own description of themselves. Nor does he identify them as Gnostics. What he makes clear is that anyone who departs from Christ’s teaching “does not have God” (enlarge image). Their error concerns more than an unfortunate difference of opinion; it undermines their claim to fellowship with him.

“The teaching of Christ” can mean teaching about Christ, teaching given by Christ, or both. Verse 7 makes the truth about Jesus’ coming in the flesh especially important here. We shouldn’t force an unnecessary separation between Jesus’ own teaching and the apostles’ testimony about him. Both direct believers to the real Jesus and the significance of his person and work.

John also provides a positive assurance: Whoever continues in this teaching “has both the Father and the Son.” This describes genuine fellowship with them, not merely possession of correct religious information. The Holy Spirit’s indwelling helps us understand that relationship within the wider teaching of Scripture, although John doesn’t explicitly mention the Spirit in this verse. His immediate emphasis is that faithfulness to Christ’s teaching and fellowship with God belong together.

Christianity therefore can’t be reduced to a vague belief in God while setting Jesus aside. Neither should we assume that every unfamiliar explanation is false simply because it’s new to us. The question is whether it faithfully expresses the truth revealed in Christ and preserved in the apostolic witness. Let’s welcome deeper understanding while refusing any supposed improvement that replaces the Savior with someone other than the Jesus proclaimed in Scripture.

Hospitality without Endorsing Deception  Verses 10–11 bring us to the practical issue: Believers mustn’t receive or welcome teachers who arrive promoting this denial of Christ. In a setting where traveling teachers depended on hospitality, lodging and support could enable their work. John warns his readers not to help spread the very teaching against which he’s cautioned them. His instruction concerns loyalty to Christ, not permission for hostility.

“Do not take them into your house” may refer to receiving a traveling teacher into a private home (enlarge image). It may also include a house where the congregation gathered. Either way, the practical danger is similar: Hospitality could provide accommodation, credibility, or a platform for spreading deception. The house-church interpretation is possible, but the wording doesn’t require us to limit the warning to church meetings.

Nor should we reduce John’s warning to a prohibition against ordinary courtesy or every conversation with an unbeliever. His concern is receiving these people in their capacity as teachers and thereby assisting their mission. We can show kindness, answer questions, and seek someone’s restoration without endorsing the message being promoted. Love for the person must remain distinct from support for the deception.

Stephen S. Smalley makes this distinction in his discussion of these verses: John isn’t forbidding love or every form of contact, but warning against entertaining heretics and their views in ways that strengthen their position and compromise the truth. This preserves the seriousness of John’s command without turning it into a general rule of personal avoidance.

W. Hall Harris III similarly explains that a public greeting could be understood as endorsement of a teacher’s views about Jesus. Such apparent approval might advance the teacher’s cause and make the welcoming believer a participant in that work. This is a contextual explanation of John’s warning, rather than an explicit statement about every greeting in every circumstance.

John’s closing words are sobering: “Anyone who welcomes them shares in their wicked work.” We’re responsible not only for what we teach but also for what we knowingly help others spread. Let’s therefore examine the ministries we host, recommend, or support. Do they faithfully proclaim Jesus Christ? Christian love calls us to generosity, but faithfulness requires us to direct that generosity without helping deception flourish.

John’s Longing and Greeting (2 John 12–13)

Clearly, John had more to share than this brief letter contained. Yet he preferred a personal visit to further correspondence. After his firm warnings about deception, these closing words reveal his affection for the believers and his desire to enjoy their company.

The “paper” John mentions was papyrus, a writing material made from the papyrus plant. The Jamieson-Fausset-Brown Bible Commentary explains that pens were split reeds and ink was made from soot and water, thickened with gum. These details help us picture the ordinary materials through which John conveyed his enduring message.

Letters provided an important means of instruction and encouragement, but John hoped to speak “face to face” — literally, “mouth to mouth” in Greek. The expression describes direct, personal conversation. He wanted more than an opportunity to deliver additional instruction; he anticipated a meeting that would complete their shared joy.

The danger posed by deceptive teachers may help explain why John sent a brief warning rather than waiting for a visit. However, he doesn’t explicitly state why he wrote so concisely or identify everything he hoped to discuss. What he does tell us is enough: He has more to say, hopes to come, and values the joy of personal fellowship.

Finally, John sends greetings from “the children of your sister, who is chosen by God.” Following our understanding of the chosen lady as a congregation, this greeting comes from members of a sister church. The letter doesn’t identify John’s location or establish that either congregation belonged to a particular network of house churches.

John’s closing reminds us that discernment and affection belong together. We must guard against teaching that misrepresents Jesus, but we must also treasure the fellowship we share in him. Let’s encourage one another through the means available to us and, whenever possible, make room for the joy of meeting face to face.

† Summary and Key Points of 2 John 8–13

John closes his letter by calling believers to remain watchful, continue in Christ’s teaching, and avoid supporting those who distort the truth about Jesus. These warnings don’t cancel the command to love; they show why love must be guided by truth. His closing hope for a personal visit and his greetings remind us that faithful Christian living includes both discernment and the joy of fellowship.

•  Watchfulness: Believers must guard against deception so that the fruit of faithful Christian labor isn’t lost and they may be rewarded fully (v. 8).

•  Continuing in Christ’s teaching: Genuine fellowship with the Father and the Son can’t be separated from remaining faithful to the truth about Jesus. Supposed spiritual progress that abandons this teaching leads away from God, not closer to him (v. 9).

•  Discernment in hospitality: Christians mustn’t receive or support false teachers in ways that endorse their message or enable their work. Kindness toward others mustn’t become participation in spreading deception (vv. 10–11).

•  Joy in personal fellowship: John hopes to speak with the believers face to face so that their shared joy may be complete. His example encourages us to value personal presence alongside written communication (v. 12).

•  Fellowship between congregations: The closing greeting expresses care across the Christian community. Following our understanding of the chosen lady as a church, the children of her chosen sister represent believers in a sister congregation (v. 13).

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