Paul summons Timothy to receive continuing strength from a source outside himself. Ἐνδυναμοῦ (endynamou) is a present passive imperative, second singular: “be strengthened” or “continue to be empowered.” The passive form is significant because Timothy is not presented as the independent producer of the courage and endurance required by his ministry. The implied agent is God, who strengthens his servant through Christ and by the resources of divine grace. This accords with Paul’s repeated attribution of ministerial sufficiency to divine enabling rather than natural resolve (cf. 1 Tim 1:12; 2 Tim 4:17). The present imperative denotes an ongoing need rather than a single endowment. Timothy is to live in continual dependence upon “the grace” (τῇ χάριτι, tē chariti), the definite article identifying the saving and sustaining favor of God already known in the gospel. The preposition ἐν (en) most naturally expresses the sphere or means in which strengthening occurs: grace is both the realm in which Timothy stands and the divine provision by which he is enabled. Paul further qualifies this grace as “the grace that is in Christ Jesus” (τῇ ἐν Χριστῷ Ἰησοῦ). Grace is not an abstract religious quality or a general divine benevolence detached from Christ; it is given and experienced in union with the crucified and risen Messiah. The expression corresponds to 2 Timothy 1:9, where grace was given believers “in Christ Jesus before eternal ages.” Thus the exhortation grounds the difficult charges that follow, especially the entrusting of apostolic teaching and endurance in suffering, in Christ-mediated grace rather than Timothy’s personal capacity.
Paul recalls Timothy’s settled conviction concerning the body of teaching he had received, and this conviction rests upon the trustworthy character and provenance of that teaching. The aorist passive ἐπιστώθης (pistoō) denotes being made certain, confirmed, or persuaded. It is therefore stronger than a bare statement that Timothy had heard instruction or mastered its content. He had learned these things (ἔμαθες) and had become firmly convinced of them. The passive form does not make Timothy’s assurance a merely private feeling. In the immediate context, false teachers and impostors advance in deception (3:13), whereas Timothy is to remain within what he has learned and what has been confirmed to him. The relative pronoun οἷς, "the things which," embraces the apostolic and biblical instruction described more fully in 3:15-17, especially the sacred writings that impart wisdom leading to salvation through faith in Christ Jesus. Timothy’s conviction is thus inseparable from the objective truth of the gospel and Scripture. Translations such as "have been assured of" appropriately preserve the passive sense, while "have become convinced of" makes explicit Timothy’s personal appropriation of the truth. Neither expression should be detached from the following εἰδὼς (eidōs), a perfect active participle meaning "knowing." His settled confidence is supported by his knowledge of the recognized teachers through whom the truth came. Paul grounds perseverance in received, trustworthy doctrine rather than in an autonomous certainty generated by Timothy himself.
Paul deliberately links Onesiphorus’s successful search for the imprisoned apostle with his hoped-for reception of divine mercy. The completed verb εὗρεν (heuriskō, aorist active indicative, “he found”) closes the report of Onesiphorus’s conduct in Rome: he did not abandon the search when Paul’s location was uncertain or when association with a prisoner entailed social and political danger. In v. 18 Paul then prays that the Lord may grant Onesiphorus to “find” mercy, using εὕρῃ (heuriskō, aorist active subjunctive) in a petition directed toward “that day,” the day of final judgment. The verbal correspondence establishes an appropriate, though not meritorious, reciprocity. Onesiphorus found Paul in his humiliation and chains, whereas Paul asks that Onesiphorus find mercy before the Lord. The latter gift remains mercy, not a wage owed for service; Paul’s prayer therefore cannot be made to teach justification by works. Yet the passage accords with the biblical pattern in which deeds of faithful love manifest genuine allegiance to Christ and are remembered by God in the final judgment. Onesiphorus’s earnest identification with Paul’s apostolic ministry supplies the concrete ground for Paul’s intercession, while the mercy sought remains wholly the Lord’s gracious bestowal.
Paul speaks of his impending death as an imminent departure whose appointed moment has already come into view. The noun ἀνάλυσις (analysis), “departure” or “release,” denotes a leaving from one place or condition for another. It can evoke departure on a journey and, in wider Greek usage, may also be used of breaking camp or loosing a vessel for departure. The immediate sense is death, yet the term is deliberately consonant with Paul’s Christian understanding of death as departure to be with Christ (Phil 1:23), rather than extinction or an undefined fate. The expression ὁ καιρὸς τῆς ἀναλύσεώς μου identifies death as Paul’s καιρός (kairos), the decisive and appointed season, rather than simply the passage of chronological time. The perfect ἐφέστηκεν (ephestēken, perfect active indicative of ephistēmi) means that this time “has arrived” and now stands present or pressing upon him. Paul does not claim to know the precise hour of execution, but writes with settled awareness that his end is at hand. This certainty supplies the ground introduced by γάρ in v. 6 for the retrospective testimony of vv. 7-8: his race is effectively complete, and the promised crown lies before him.
Paul requires Timothy to retain the recognizable doctrinal form of the apostolic message, rather than prescribing the memorization of an inflexible verbal transcript. The accusative ὑποτύπωσιν (hupotypōsin), governed by the present imperative ἔχε (eche, “keep” or “hold”), denotes a pattern, outline, or model to be maintained. The term can describe an exemplary model, as in 1 Timothy 1:16; here its association with λόγων (“words”) indicates an identifiable norm of teaching embodied in Paul’s instruction. Timothy is not authorized to treat Paul’s teaching as a collection of detachable religious insights, since it possesses a coherent shape that must be preserved. The genitive participle ὑγιαινόντων (hugiainontōn, present active participle, genitive plural), “being healthy” or “sound,” characterizes these words as spiritually health-giving and free from the corrupting effects of false doctrine. This vocabulary anticipates the contrast in 2 Timothy 4:3, where some will refuse “sound teaching” and accumulate teachers suited to their desires. The pattern is therefore defined both positively by what Timothy heard from Paul and negatively by its incompatibility with speculative, quarrelsome, and truth-distorting teaching. Paul’s wording does not reduce doctrine to bare propositions detached from apostolic authority and Christological reality. The relative clause, “which you heard from me,” identifies the content as Paul’s transmitted apostolic gospel, while the following reference to faith and love in Christ Jesus places its preservation within the sphere of union with Christ. The verse supports the existence of a settled apostolic deposit, further named in verse 14 as “the good deposit,” whose content may be taught and transmitted in faithful forms without surrendering its essential doctrinal substance.
Paul refers to a deliberate withdrawal of receptive attention from the truth, expressed idiomatically as turning away “the hearing” (tēn akoēn). Although akoē can denote the faculty of hearing, a report, or that which is heard, its use here, as the accusative object of apostrephō (“turn away”), portrays the hearers’ refusal to give the truth a hearing. English versions that render the phrase “turn away their ears” preserve the bodily metaphor, while “turn away their hearing” rightly brings out the disposition of listening that is at issue. The immediate context confirms this sense. Verse 3 has described persons with “itching ears” who accumulate teachers suited to their own desires; verse 4 explains the outcome of that appetite. Their ears are not defective in a literal sense, nor are they indifferent to all teaching, since they readily attend to myths. Rather, they reject “the truth,” the apostolic gospel and sound teaching Paul has charged Timothy to proclaim (4:2; cf. 1:13; 2:15; 3:14-17). The expression therefore identifies an intellectual and moral repudiation: they cease to receive as authoritative the revelation that they have heard. The contrast with “myths” is sharpened by the parallel movement. Turning hearing away from the truth entails a corresponding orientation toward accounts that gratify desire rather than conform to God’s saving revelation. Paul does not suggest that false teaching succeeds because the truth is obscure; the preceding description locates the crisis in hearers who seek instruction fitted to their passions. “Their hearing” thus denotes the responsive posture by which the truth is either received or refused.
Paul distinguishes the Scripture’s capacity to impart saving wisdom from the reception of salvation itself. The accusative participle τὰ δυνάμενα (ta dynamena, present middle participle of dynamai), agreeing with ἱερὰ γράμματα (hiera grammata, “sacred writings”), describes the writings as presently able to make Timothy wise. The infinitive σοφίσαι (sophisai, aorist active infinitive of sophizō) denotes the result toward which their instruction is fitted: they give the discernment that recognizes God’s saving way. The following εἰς σωτηρίαν (eis sōtērian) marks salvation as the goal of this wisdom, not as an automatic effect of possessing or reading the Scriptures. The phrase διὰ πίστεως τῆς ἐν Χριστῷ Ἰησοῦ (dia pisteōs tēs en Christō Iēsou) qualifies the saving goal: salvation is received through faith, specifically the faith whose object and sphere is Christ Jesus. The genitive after διά is instrumental, identifying faith as the appointed means by which salvation comes to the believer. The expression does not make faith an independent achievement, nor does it attach saving efficacy to the Scriptures apart from Christ. The sacred writings instruct Timothy in the divine promise and direct him to its fulfillment in Christ; their wisdom becomes saving wisdom where their testimony is embraced by faith in him. This construction accords with the immediate argument: Timothy’s early scriptural instruction, received through the faith formed in his grandmother and mother (1:5), stands in contrast to the deceptive and ungodly teaching condemned in 3:1-9.
Σωφρονισμός (sōphronismos) denotes sound-minded self-control, and “self-discipline” appropriately renders its active moral force in this context. The term is distinct from a mere inward feeling of calm or confidence. It concerns the capacity for sober, governed judgment, especially where fear might otherwise distort conduct. Paul therefore describes a God-given disposition that resists δειλία (deilia), cowardly shrinking from danger, through the coordinated qualities of δύναμις (dynamis), ἀγάπη (agapē), and σωφρονισμός. The genitives following πνεῦμα (pneuma), “spirit,” are best taken as qualitative: a spirit marked by cowardice is contrasted with one marked by power, love, and sound self-control. Power without love could become harshness, and power without sound judgment could become reckless zeal. Love without courage could yield to the desire to avoid conflict, while self-control apart from power could become mere restraint. The three terms together portray the moral and ministerial character suited to Timothy’s charge: divine enablement, Christlike concern for others, and the sober discipline required to speak and suffer faithfully. The immediate context confirms this sense. Timothy is to rekindle the gift bestowed through Paul’s laying on of hands (v. 6) and is then commanded not to be ashamed of the testimony concerning the Lord or of Paul his prisoner, but to share in suffering for the gospel by God’s power (v. 8). Σωφρονισμός therefore does not describe private temperament in abstraction; it names the ordered courage by which Timothy’s ministry is preserved from both fearful retreat and uncontrolled reaction under opposition.
The neuter accusative plural participles μανθάνοντα (manthanonta, present active participle) and δυνάμενα (dynamena, present middle participle) agree with γυναικάρια (gynaikaria, “little women”) in verse 6. Paul thus continues the description of the particular women whom the false teachers infiltrate and captivate; verse 7 is not a general maxim about all learners, nor an independent description of the teachers themselves. The neuter gender follows the grammatical gender of γυναικάρια, a diminutive term that in this context conveys vulnerability and moral instability rather than making a universal judgment concerning women. The paired present participles portray an ongoing condition: these women are continually receiving instruction, yet they remain continually incapable of reaching the decisive goal expressed by εἰς ἐπίγνωσιν ἀληθείας ἐλθεῖν, “to come to a knowledge of the truth.” The aorist infinitive ἐλθεῖν (elthein) views such arrival as a definite attainment, while the present participle δυνάμενα marks their continuing inability to attain it. That incapacity must be read in light of verse 6, where they are described as burdened with sins and led by varied desires. Their problem is therefore not an innocent lack of educational opportunity, nor does Paul disparage learning as such. Sinful desires render them susceptible to teachers whose message has the appearance of religious instruction while diverting them from the apostolic truth. The syntax also exposes the irony of the false teachers’ success. They find hearers eager for continuing novelty and instruction, but whose moral condition prevents discernment and settled reception of the truth. Paul’s concern is consequently theological and pastoral: knowledge divorced from repentance and submission to the apostolic gospel does not culminate in the recognition of truth that brings salvation and stability.
The verse makes Onesiphorus’s death plausible, but it neither states it nor establishes a practice of prayer for the dead. Paul refers in the preceding context to “the household of Onesiphorus” (1:16), whereas he speaks of Onesiphorus himself in recollected terms: he had often refreshed Paul, had sought him out in Rome, and had served in Ephesus (1:16-18). The absence of a personal greeting to Onesiphorus in a letter otherwise concerned with personal associates has often been taken as further evidence that he was dead. Yet the language remains indirect, and absence through travel, illness, or some other circumstance cannot be excluded from the text itself. Paul’s expression is an earnest benediction: δῴη (from didōmi), an aorist active optative, conveys the wish, “may the Lord grant.” Its complement, εὑρεῖν ἔλεος, means “to find mercy,” with the mercy located παρὰ κυρίου, “from the Lord.” “That day” is the day of Christ’s final appearing and judgment, as in 1:12 and 4:8. Paul therefore commends Onesiphorus to the Lord’s eschatological mercy, recognizing that even faithful service, including what Timothy knew of his ministry at Ephesus, does not remove the need for divine mercy at the judgment. If Onesiphorus was already dead, the statement is best understood as Paul’s confident, prayerful commendation of a believer to the righteous Judge, not as evidence that the condition of the dead is open to alteration by later intercessions. The verse contains no appeal to Onesiphorus, no doctrine of a purifying intermediate state, and no indication that mercy is obtained after death through the prayers of the living. Its emphasis falls upon the Lord’s final verdict and upon mercy as the ground of acceptance, even for a servant whose costly loyalty Paul warmly remembers.
The farmer’s “crops” (καρποί, karpoi) function primarily as the fitting outcome and reward of strenuous labor, rather than as a narrowly defined reference either to financial support or to converts. Paul’s three illustrations in 2 Timothy 2:3-6 develop related aspects of ministerial endurance: the soldier accepts hardship in order to please his commander, the athlete receives the crown only through lawful competition, and the farmer labors before sharing in the harvest. The final image therefore emphasizes the necessary connection between costly toil and participation in its proper result. The participle κοπιῶντα (kopiōnta), present active accusative singular from κοπιάω, describes one who works to the point of weariness. It is not the farmer’s profession alone that grounds his participation in the harvest, but his strenuous labor as a farmer. The impersonal δεῖ (dei), “it is necessary” or “it is proper,” governs the infinitive μεταλαμβάνειν (metalambanein), “to partake” or “to receive a share.” Paul thus states a moral fitness embedded in the agricultural order: labor precedes the harvester’s enjoyment of the yield. Elsewhere Paul can use agricultural imagery to defend the right of gospel workers to receive material provision, particularly in 1 Corinthians 9:7-14. That background makes such provision compatible with the image, but 2 Timothy 2:6 does not directly argue for ministerial compensation. In this context the “crops” are best understood broadly as the harvest that follows faithful labor, including the fruit of gospel service and, ultimately, the eschatological reward associated with persevering with Christ (2 Tim. 2:10-12). The following command to reflect on these sayings, with confidence that the Lord will grant understanding (v. 7), confirms that the proverb is a compressed analogy whose full significance reaches beyond literal farming.
The phrase μετὰ τῶν ἐπικαλουμένων τὸν κύριον ἐκ καθαρᾶς καρδίας (“with those who call upon the Lord from a pure heart”) most directly completes the command to pursue εἰρήνην (“peace”), yet it also supplies the communal setting for the entire pursuit of righteousness, faith, love, and peace. Its placement immediately after εἰρήνην gives peace particular prominence: the peace Timothy is to seek is peace in fellowship with sincere worshipers of the Lord, rather than the compromised accommodation urged by the false teachers. Nevertheless, the prepositional phrase is not restricted in meaning to the final noun. The four singular objects of δίωκε (diōkō, present active imperative, “keep pursuing”) form a unified catalogue of Christian virtues, and the association with faithful fellow Christians appropriately characterizes their pursuit as a whole. The participle ἐπικαλουμένων (epikaleō, present middle participle, genitive plural), “those calling upon,” identifies believers by their continuing invocation of the Lord. This expression carries Old Testament covenantal and worshipful associations, especially the calling on the name of the Lord, and is used elsewhere in the New Testament as a designation for the Christian community. Paul therefore contrasts the circle of those whose confession issues from a καθαρὰ καρδία (“pure heart”) with the corrupt teachers described in the surrounding context, whose disputes produce ruin, irreverence, and spiritual overthrow (2:14, 16-18, 23). The genitive καρδίας governed by ἐκ indicates the inward source from which their calling proceeds. “Pure heart” does not denote sinless moral attainment or an elite subgroup beyond ordinary Christians. In this context it signifies undivided sincerity before God, corresponding to the good conscience and unhypocritical faith commended at the opening of the letter (1:5). Timothy is thus not summoned to an isolated private virtue, nor to peace purchased by association with error. The verse locates the ministerial pursuit of godliness within the fellowship of those whose public confession of Christ arises from a cleansed and sincere inner life.
The phrase “night and day” characterizes Paul’s continual remembrance of Timothy as that remembrance finds expression in prayer; it does not assert that Paul was engaged in uninterrupted prayer at every moment. The accusative phrase ἀδιάλειπτον μνείαν (adialeipton mneian, “unceasing remembrance”) is the object of ἔχω (echō, “I have”), while ἐν ταῖς δεήσεσίν μου (“in my petitions”) identifies the setting or means in which that remembrance occurs. The genitives νυκτὸς καὶ ἡμέρας (“by night and by day”) function adverbially, extending the description of his sustained prayerful remembrance across the regular cycles of life. The wording therefore conveys constancy and regular recurrence rather than a claim of literal, moment-by-moment mental activity. Paul uses similar temporal language elsewhere for earnest and frequent prayer, especially in 1 Thessalonians 3:10, where he says that he prays “night and day” with great intensity. The phrase is a conventional comprehensive expression: Timothy is repeatedly present in Paul’s petitions at all customary times, including the night hours, rather than only occasionally or in response to a crisis. Within the sentence, this regular remembrance supplies the practical occasion for Paul’s thanksgiving. The particle ὡς (hōs) may be rendered “as” or “when,” introducing the manner in which Paul gives thanks: thanksgiving accompanies his continual recollection of Timothy before God. Paul’s prayer is thus presented as persistent intercession shaped by gratitude for Timothy, not as an exaggerated assertion that ordinary human activities had ceased.
Paul describes the teachers’ present effect within the church, not the final loss of those whom God has savingly united to Christ. The present indicative ἀνατρέπουσιν (anatrepō, “they are overturning”) portrays their teaching as actively destabilizing the πίστις (pistis) of certain persons. The genitive τινων (“of some”) marks a limited though real pastoral damage: their error does not merely remain an abstract departure from truth but ruins the settled confession and confidence of people influenced by it. In this setting πίστις can denote the personal faith or professed Christian commitment of those within the congregation. The verb ἀνατρέπω elsewhere carries the sense of overturning or upsetting what had been established; it need not assert that the persons affected possessed irrevocable saving faith and then lost salvation. Paul immediately qualifies the alarming report in 2:19 by affirming that God’s firm foundation stands and that “the Lord knows those who are his.” The sequence therefore distinguishes the visible consequences of destructive teaching from God’s preserving knowledge of his own. Some who appear to stand in the church can be grievously shaken, led into apostasy, or exposed as lacking a faith rooted in the truth, while the divine purpose concerning the elect remains secure. This reading does not diminish the severity of the warning. A denial of the future resurrection attacks the apostolic gospel at a central point and can overthrow genuine Christian profession. Yet Paul’s language in the following verse prevents the conclusion that false teaching has overturned God’s saving work. The pastoral concern is the corruption and collapse of faith as confessed among some in the visible community, set against the permanence of the Lord’s foundation.
Paul does not claim that every individual among all Gentile peoples had already heard the gospel. He interprets the Lord’s strengthening at his legal defense as serving the furtherance and public completion of his apostolic proclamation, so that the gospel might be heard in a setting representative of the Gentile world. The two clauses introduced by ἵνα (hina, “in order that”) express the divine purpose of the Lord’s aid: “that through me the proclamation might be fully accomplished” and “that all the Gentiles might hear.” The verb πληροφορηθῇ (plērophorēthē), an aorist passive subjunctive of πληροφορέω (plērophoreō), means to be brought to full measure, fulfilled, or fully carried out. Here τὸ κήρυγμα (to kērugma) denotes the apostolic message proclaimed by Paul, rather than a single sermon. The passive likely implies God as the effective agent: the Lord strengthens Paul so that the entrusted proclamation reaches its appointed fullness through him. This coheres with Paul’s earlier description of his Gentile commission and with his conviction that he had extensively proclaimed Christ from Jerusalem to Illyricum (Rom 15:19), while still planning mission beyond Rome (Rom 15:24). πάντα τὰ ἔθνη (panta ta ethnē) ordinarily means “all the nations,” but in Paul’s usage ἔθνη (ethnē) frequently designates the Gentiles collectively. In the immediate setting, Paul’s abandonment at his “first defense” (v. 16) and the Lord’s presence in court indicate that a Roman judicial hearing is in view. Such a hearing could place the Christian proclamation before Gentile officials and observers gathered at the imperial center. The phrase therefore carries the universal horizon of Paul’s commission without requiring the conclusion that worldwide evangelization was already historically complete. His courtroom testimony becomes an appointed means by which the gospel is publicly advanced among the nations.
The phrase ἐν Χριστῷ Ἰησοῦ (“in Christ Jesus”) identifies the sphere and source of the godliness Paul describes. It is not a loose equivalent for being religious or morally serious. The present infinitive ζῆν (zēn, “to live”) is qualified by the adverb εὐσεβῶς (eusebōs, “godly, piously”), while ἐν Χριστῷ Ἰησοῦ specifies that this manner of life belongs to those united to Christ and ordered by allegiance to him. Paul therefore speaks of a distinctly Christian piety, a life whose confession, conduct, and loyalties are governed by the crucified and risen Messiah. This qualification also explains why persecution is expected. The immediate context recounts Paul’s own persecutions at Antioch, Iconium, and Lystra, from which “the Lord rescued” him (3:11), and then contrasts such godly endurance with the advance of evil people and impostors (3:13). Those living in Christ stand in public contradiction to a world characterized by deception and opposition to the truth. The future passive διωχθήσονται (diōchthēsontai, “they will be persecuted”) expresses the regular consequence of such identification with Christ, not an abstract principle that virtuous people generally encounter resistance. Elsewhere Paul connects the same reality to conformity to Christ’s sufferings and to the hostility directed against his name; here the phrase “in Christ Jesus” grounds the certainty of persecution in union with the One whose gospel provokes opposition.
Paul’s prayer concerns Timothy personally, with particular reference to the inward sphere in which his courage, faithfulness, and communion with the Lord are sustained. The genitive phrase μετὰ τοῦ πνεύματός σου, “with your spirit,” does not reduce Timothy to an immaterial component detached from bodily or public life. In Pauline usage, πνεῦμα (pneuma) can designate the human spirit as the inward personal faculty by which one relates to God, but it also functions as a concentrated way of speaking of the person in his or her deepest orientation before God. The wording is especially fitting after the letter’s repeated concern for Timothy’s endurance amid suffering, opposition, and the pressures of ministry (1:6–8; 2:1–3; 4:5). Paul asks that the Lord’s abiding presence sustain Timothy at that inner level where fear may be overcome and steadfastness preserved. Similar benedictions invoke the Lord’s presence “with” the spirit of an individual or congregation (Gal 6:18; Phlm 25). The expression therefore identifies neither a mystical experience separate from ordinary obedience nor a merely psychological consolation. It is a prayer that the risen Lord, whose presence strengthened Paul in his own trial (4:17), would remain with Timothy in the whole personal reality denoted by his spirit.
The prepositional phrase κατὰ τὰς ἰδίας ἐπιθυμίας (“according to their own desires”) most directly qualifies ἐπισωρεύσουσιν διδασκάλους (“they will heap up teachers”), though it also supplies the moral explanation for their refusal to endure healthy teaching. Paul’s syntax places the phrase after the adversative ἀλλά (“but”) and immediately before the future verb ἐπισωρεύσουσιν, indicating that their desires become the standard by which teachers are sought and collected. The emphatic adjective ἰδίας (idios, “their own”) marks these desires as self-derived and self-serving, in contrast to the apostolic deposit that Timothy is charged to proclaim (4:1-2). Ἐπιθυμία (epithymia) can denote desire in a neutral sense, but here its opposition to “sound teaching” and its sequel in v. 4, where hearers turn from the truth toward myths, gives it a morally disordered sense. The imagery of heaping up teachers, expressed by the future active ἐπισωρεύσουσιν (episōreuō), depicts an indiscriminate multiplication of instructors who will accommodate such desires. The plural διδασκάλους (“teachers”) is significant: the problem is not that legitimate teachers are numerous, but that hearers make their preferences determinative and therefore gather a supply of voices suited to validate them. Thus Paul identifies the rejection of truth as an act of culpable preference rather than an innocent failure to encounter adequate instruction.
The future verb συμβασιλεύσομεν (sumbasileusomen, “we will reign with”) identifies the promised reign as eschatological participation in Christ’s own royal victory. Its σύν prefix denotes shared rather than independent rule: those united to Christ reign with him, under his kingship, rather than possessing a rival sovereignty. The future indicative corresponds to the preceding promise in v. 11, “if we died with him, we will also live with him,” and places the reign beyond the present suffering that characterizes Timothy’s ministry and the church’s witness. The condition, εἰ ὑπομένομεν (ei hypomenomen, “if we endure”), employs a present active indicative that depicts continued endurance under affliction. In this context endurance is the persevering counterpart to the suffering and hardship described in 2:3, 8-10. The same pattern appears in Romans 8:17, where suffering with Christ is joined to future glorification with him, and in Revelation’s portrayal of the saints sharing Christ’s final reign. Although believers already belong to the kingdom of God and are united to the exalted Christ, this line speaks principally of the consummated reign that follows faithful endurance, not of a present ecclesiastical or political dominion.
Paul presents Scripture as sufficient for the whole restorative and formative task of ministerial instruction: it exposes error and sin, restores what has been disordered, and cultivates a life conformed to righteousness. The repeated πρὸς (pros, “for” or “toward”) marks four coordinated purposes. Διδασκαλία (didaskalia) denotes positive instruction in truth; ἐλεγμός (elegmos) is reproof or conviction, the exposure and refutation of false belief or culpable conduct. Ἐπανόρθωσις (epanorthōsis), a rare term, carries the sense of restoration or setting upright again. Reproof identifies the deviation; correction directs the person or condition back into proper order. The final term, παιδεία (paideia), extends beyond a discrete act of correction to sustained training, discipline, and formation. Its use commonly includes the ordered nurture by which character is shaped. The article in τὴν ἐν δικαιοσύνῃ identifies this particular kind of training: discipline exercised within, and directed toward, δικαιοσύνη (dikaiosynē), righteousness. In the immediate setting, where Timothy must continue in the sacred writings and be equipped for every good work (vv. 14-17), righteousness denotes conduct ordered by God's revealed standard rather than an abstract ethical ideal. The phrase therefore does not reduce Scripture's usefulness to rebuking failures; Scripture also positively forms the righteous pattern of life that accords with the gospel and prepares “the man of God” for faithful service.