Jas 3:2 About
3:2
contested
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Greek · SBLGNT

πολλὰ γὰρ πταίομεν ἅπαντες. εἴ τις ἐν λόγῳ οὐ πταίει, οὗτος τέλειος ἀνήρ, δυνατὸς χαλιναγωγῆσαι καὶ ὅλον τὸ σῶμα.

polla gar ptaiomen hapantes. ei tis en logō ou ptaiei, houtos teleios anēr, dynatos chalinagōgēsai kai holon to sōma.

πολλα γαρ πταιομεν απαντες. ει τις εν λογω ου πταιει, ουτος τελειος ανηρ, δυνατος χαλιναγωγησαι και ολον το σωμα.
Parsing · 19 words
πολλά πολύς adj acc neut pl in many [respects] — Accusative of respect, not a direct object — the stumbling is not itself plural things.
γάρ γάρ conj for — Grounds the warning of v. 1; always rendered.
πταίομεν πταίω pres act ind 1pl we stumble — Gnomic present, and James includes himself.
ἅπαντες ἅπας adj nom masc pl all [of us] — Strengthened form of πᾶς, in emphatic final position.
εἴ εἰ conj if — First-class condition with the indicative; the case is entertained as real for the argument.
τις τις pron indef nom masc sg anyone
ἐν ἐν prep + dat in
λόγῳ λόγος noun dat masc sg word, speech — Anarthrous and qualitative: the sphere of speaking as such.
οὐ οὐ adv (negative) not — οὐ with the indicative denies as asserted fact.
πταίει πταίω pres act ind 3sg stumbles — Durative present: a settled habit, not a single lapse.
οὗτος οὗτος pron dem nom masc sg this [one] — Resumptive demonstrative picking up τις; copula elided.
τέλειος τέλειος adj nom masc sg complete, mature
ἀνήρ ἀνήρ noun nom masc sg man — James's recurring wisdom-saying subject (1:8, 12, 20, 23).
δυνατός δυνατός adj nom masc sg able, competent — Predicate adjective with epexegetical infinitive; asyndeton after ἀνήρ.
χαλιναγωγῆσαι χαλιναγωγέω aor act inf to bridle — Picks up 1:26; the bit-image is unpacked in v. 3.
καί καί conj (adjunctive) also — Adjunctive, before the object: the whole body as well as the tongue.
ὅλον ὅλος adj acc neut sg whole — Predicate position outside the article: totality asserted.
τό art acc neut sg the
σῶμα σῶμα noun acc neut sg body — Concrete physical body, the field of the horse-and-bit figure in v. 3.
πολλα πολυς γαρ γαρ πταιομεν πταιω απαντες απας ει ει τις τις εν εν λογω λογος ου ου πταιει πταιω ουτος ουτος τελειος τελειος ανηρ ανηρ δυνατος δυνατος χαλιναγωγησαι χαλιναγωγεω και και ολον ολος το ο σωμα σωμα

For we all stumble in many ways. If anyone does not stumble in speech, this man is mature — able to bridle the whole body as well.

context

Overview

The verse does two things at once, and everything difficult about it follows from that.

First it supplies the ground for the warning of v. 1 (γάρ): do not become many teachers, because we all trip up in many respects. James puts himself inside the indictment with a first-person plural and then closes the clause on ἅπαντες, the strengthened form of ‘all’, in the emphatic final slot. There is no exemption clause.

Then it turns, without a connective, to a conditional that has generated centuries of argument: εἴ τις ἐν λόγῳ οὐ πταίει, οὗτος τέλειος ἀνήρ. Is this a real person, an unattainable ideal, or a hypothesis stated only to be dismantled by vv. 3-12, where the tongue turns out to be the one thing no human being tames (v. 8, οὐδεὶς δαμάσαι δύναται ἀνθρώπων)? The Greek does not settle it. A first-class condition entertains the protasis as real for the sake of the argument without asserting that anyone satisfies it.

Two lexical decisions carry most of the weight. πταίω is a foot-word — one trips, half-accidentally — and the image is live, because James immediately unpacks control-of-the-body with bits and rudders. And τέλειος means arrived-at-the-goal, not flawless; rendering it ‘perfect’ manufactures a contradiction with the ἅπαντες of the same verse, and English readers hear a claim James did not make.

The closing clause is where the chapter’s argument actually turns. δυνατὸς χαλιναγωγῆσαι καὶ ὅλον τὸ σῶμα reaches back to 1:26 (the man who does not bridle his tongue) and forward to v. 3 (bits in horses’ mouths turn the whole body). The adjunctive καί is the hinge: control of the tongue is not one competence among many but the small thing that governs the large.

Built onbdag · bdf

Proposed — pending reviewDale C. Allison Jr., A Critical and Exegetical Commentary on the Epistle of James, International Critical Commentary (London: Bloomsbury T&T Clark, 2013)

syntax

How the verse is joined to v. 1

γάρ is grounding, not merely transitional, and must be rendered (§10). The logic runs: do not become many teachers — because teachers incur a greater κρίμα (v. 1) — because all of us trip up repeatedly, and the teacher’s medium is precisely the faculty in which tripping is universal.

What follows the full stop after ἅπαντες is asyndetic: no καί, no δέ, no ἀλλά. Per the standing asyndeton policy, no connective is supplied in English. The abruptness is the rhetoric — a general admission, then a knife-edge conditional. Editorial punctuation here is judgment, not manuscript evidence: the earliest majuscules are unpunctuated, and where prints a stop, some editors have preferred a colon making v. 2b epexegetical of v. 2a.

The second half is itself asyndetic internally: οὗτος τέλειος ἀνήρ, δυνατὸς χαλιναγωγῆσαι. δυνατός is appositional to the whole predicate with no connective, which is why the reading text uses a dash rather than ‘and’.

Built onbdf · na28

lexical

πταίω

Four NT occurrences: Rom 11:11, Jas 2:10, Jas 3:2 (twice), 2 Pet 1:10. The root sense is striking the foot against something and tripping.

The image is live, not dead, on two grounds internal to James. He has already used the verb at 2:10 (πταίσῃ ἐν ἑνί) inside a paragraph about the law as a boundary crossed; and here he follows it immediately with bit, rudder, and spark — figures of directional control of a moving body, which only make sense if the stumbling is felt as loss of footing rather than as abstract failure. Rom 11:11 turns on the same physicality, distinguishing tripping (πταίω) from falling (πίπτω).

The lightness of the word is the rhetorical point. One does not trip on purpose; that is exactly why ἅπαντες can be conceded without the concession functioning as an excuse.

The corpus glossary excludes ‘offend’ from reading tiers (modern English has lost the striking-against sense entirely — retained in the liturgical register only), ‘fail’ (abstracts a trip into a verdict), and ‘break the law’ (substitutes another verb and pre-empts the gravity question).

Aspect: πταίομεν is gnomic present — what is characteristically the case, rendered with a simple English present. πταίει in the protasis is durative: a settled pattern, not an isolated slip. The distinction matters, because it means the protasis is not asking whether anyone has ever misspoken but whether anyone’s speech is habitually free of tripping.

Built onbdag · bdf

syntax

πολλὰ … ἅπαντες

πολλά is an accusative of respect, not a direct object: ‘in many respects’, not ‘many things’. πταίω is intransitive, so the neuter plural specifies the domains in which the tripping occurs. The literal tier keeps ‘in many [respects]’; ‘we all make many mistakes’ converts an intransitive verb of losing footing into a transitive verb of committing errors and loses the image.

ἅπαντες is the strengthened form of πᾶς (ἅμα + πᾶς), somewhat more emphatic and rather more literary than πάντες, and it stands in emphatic clause-final position. Both features are load-bearing: the sentence lands on ‘all’, and it is the writer’s own inclusion of himself (first-person plural verb) that gives him standing to warn.

Do not soften the universality

Renderings that hedge — ‘most of us’, ‘we so often’ — shade a hard text toward comfort (§6). Nor may the clause be restricted to teachers: the verb is first-person plural without qualification, and the point of vv. 3-12 is that the whole assembly, not a professional class, is implicated.

Built onbdag · bdf

lexical

ἐν λόγῳ

Anarthrous λόγῳ with ἐν marks the sphere: in the matter of speech, in what he says. This is the sense at Acts 7:22 (δυνατὸς ἐν λόγοις), 2 Cor 10:11, Col 3:17, and 1 Tim 4:12 (ἐν λόγῳ, of Timothy’s speech among the other domains of exemplary conduct).

The corpus has already fixed four senses for λόγος: the gospel proclamation (absolute ὁ λόγος, Phil 1:14), the commercial-forensic account (Phil 4:15; 1 Pet 4:5), a single cited saying (Gal 5:14), and the Johannine title. This is a fifth: speech as an activity. Note that James is not saying ‘if anyone does not stumble in his teaching’ — that would narrow the field back to the διδάσκαλοι of v. 1, and the anarthrous qualitative noun resists it. The scope has widened from teachers to anyone.

The absence of the article is qualitative and should be preserved: ‘in speech’, not ‘in his words’ (supplies a possessive) and not ‘in what he says’ (paraphrase). The corresponding physical organ (γλῶσσα) arrives only at v. 5; here the domain is named abstractly.

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syntax

The conditional and its unstated subject

εἰ + present indicative is a first-class condition: the protasis is entertained as real for the sake of the argument, without any assertion that it is in fact fulfilled. Per the standing corpus policy this is rendered ‘if’ and never ‘since’, which would close the rhetorical gap the conditional deliberately leaves open. οὐ is the required negative with the indicative and denies as asserted fact.

Is anyone in view?

A hortatory ideal held out. The τέλειος ἀνήρ is the goal James wants for his readers, consistent with 1:4 (ἵνα ἦτε τέλειοι καὶ ὁλόκληροι) and 1:25-26. On this reading v. 2b is encouragement: master this and you master everything.

A hypothesis stated to be demolished. vv. 3-12 argue that no one tames the tongue (v. 8, οὐδεὶς δαμάσαι δύναται ἀνθρώπων), and v. 10 says the double use of the mouth ‘ought not’ to happen but plainly does. On this reading the protasis names a condition no one satisfies, and the effect is to close off the aspiration to teach.

A qualified real class. Some read τέλειος as the relative maturity of 1:4 and take the clause as describing those whose speech is under discipline — not sinlessly, but habitually (note the durative πταίει).

The Greek supplies no marker deciding among these. The rendering must therefore not add one: ‘if anyone could keep from stumbling’ adopts the second, ‘whoever does not stumble is mature’ adopts the third.

Built onbdf · bdag

Proposed — pending reviewRalph P. Martin, James, Word Biblical Commentary 48 (Waco, TX: Word Books, 1988)

syntax

Verbless apodosis

οὗτος τέλειος ἀνήρ has no copula. Greek predicate nominatives regularly assert an equation without specifying tense; per the standing policy the supplied ‘is’ is bracketed in the literal tier and unbracketed in smooth registers. Nothing about the tense of the equation may be read out of a supplied English verb — a future-eschatological rendering (‘will prove to be a complete man’) supplies what the Greek withholds.

οὗτος is resumptive, gathering up the indefinite τις of the protasis. Retain the bare demonstrative; ‘such a person’ converts a pointing pronoun into a class-designation, and ‘he’ erases the resumption. Some late witnesses supply ἐστίν, which shows the direction of scribal smoothing to be avoided.

Built onbdf · na28

lexical

τέλειος

The corpus glossary already fixes τέλειος as ‘mature / complete’, with ‘perfect’ excluded from modern registers because English now hears flawlessness. That decision is at its most consequential here.

From τέλος: having arrived at the end for which a thing exists. James’s own usage in this letter settles the sense internally: 1:4 pairs τέλειοι with ὁλόκληροι (‘whole in every part’) and glosses both with ἐν μηδενὶ λειπόμενοι — nothing missing, which is a claim about completeness of parts, not absence of defect; 1:17 has τέλειον δώρημα; 1:25 has νόμον τέλειον; 2:22 has faith brought to its τέλος through works.

Why ‘perfect’ is excluded from the reading text: it produces a flat self-contradiction inside a single verse. James has just written πολλὰ … πταίομεν ἅπαντες. If the second clause then posited a flawless man, the sentence would collapse. Read as ‘complete, mature, having reached the goal’, the two halves cohere: everyone trips; the man whose speech is under control has arrived where the rest are still going.

The eschatological-forensic reading

A minority takes τέλειος here in the Matt 5:48 register, as a standard set by God rather than a maturity attained by anyone — which strengthens the demolition reading of the protasis. This is a legitimate hearing of the adjective but should not be built into the rendering.

‘Perfect’ is retained in the liturgical tier, where the register is declared and the older diction’s sense of consummate is still audible.

Built onbdag

Proposed — pending reviewSophie Laws, A Commentary on the Epistle of James, Black's New Testament Commentaries (London: A. & C. Black, 1980)

lexical

ἀνήρ

James alternates ἀνήρ (1:8, 12, 20, 23; 2:2; 3:2) with ἄνθρωπος (1:7, 19; 2:20; 3:8-9) with no demonstrable semantic difference, and per the standing entry the alternation is recorded rather than rendered away. Here the lexeme is retained as written (‘man’) in every tier, with the generic force and the mixed referent noted (§3).

Two pieces of internal evidence bear on the scope. James wrote ἀδελφὴ explicitly at 2:15, which shows he marked the feminine when he chose to — so the masculine forms elsewhere are the ordinary inclusive Greek. And ἀνήρ at 1:12 stands in the fixed beatitude formula (μακάριος ἀνήρ, Ps 1:1 ), where it is a stock indefinite subject of a wisdom pronouncement rather than a male-restrictive noun. 3:2 is a wisdom pronouncement of the same shape.

So the referent is not restricted to men, and the rendering does not narrow the application; but neither is the lexeme neutralized in the text, since James had ἄνθρωπος available and did not use it here.

Built onbdag

syntax

δυνατός + infinitive

δυνατός with an epexegetical aorist infinitive is the standard construction for competence (Luke 14:31; Acts 11:17; Rom 4:21; 2 Tim 1:12; Titus 1:9). It names possessed capacity, not exercised action — which matters because it keeps the clause a statement about what such a man can do rather than a report of what he does.

Keep δυνατός lexically distinct from ἰσχύω (‘have strength for’, already fixed) and δύναμαι (‘be able’), all of which belong to the same field. Note that v. 8 will use δύναται of the tongue’s untameability (οὐδεὶς δαμάσαι δύναται) — the same root, negated, which is one of the strongest arguments for the demolition reading of the protasis.

The aorist infinitive χαλιναγωγῆσαι is complexive: the bridling taken as a single accomplished whole, not as an ongoing struggle. The asyndetic apposition of δυνατός to the preceding predicate is preserved in English with a dash.

Built onbdf · bdag

lexical

χαλιναγωγέω

NT only Jas 1:26 and 3:2, absent from ; compound of χαλινός (bit, bridle) + ἄγω, so literally ‘lead by the bit’.

The corpus already fixes ‘bridle’ at both occurrences and treats the metaphor as live (§8), and James himself proves it live: χαλινούς appears as a plain noun in v. 3, put into horses’ mouths, with the same ὅλον τὸ σῶμα as the object turned. The author is not using a faded idiom; he is stating a figure in v. 2 and then explicating it in v. 3.

Excluded from the reading text: ‘control’ and ‘keep in check’ (discard the image and the mouth), ‘keep a tight rein on’ (idiom drift, and loses the bit itself), ‘hold in’ (too vague).

The link to 1:26 is exegetically load-bearing and must survive in English. There the man who does not bridle his tongue has a futile θρησκεία; here the man who does not trip in speech is competent to bridle the whole body. The same verb frames both halves of the letter’s treatment of speech, and varying the English word between them would hide it.

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syntax

καὶ ὅλον τὸ σῶμα

καί here is adjunctive, standing before the object rather than joining clauses, and per the standing corpus entry it is rendered ‘also’ or ‘as well’ without exception. Dropping it destroys the argument: the claim is not that such a man can bridle his body, but that he can bridle the whole body in addition — the tongue being the presupposed lesser case that governs the greater.

ὅλον stands outside the article-noun unit (ὅλον τὸ σῶμα), which is the regular Greek predicate position for ὅλος and πᾶς and asserts totality: ‘the whole body’, not ‘all of it’ partitively. The identical phrase recurs at v. 3 (ὅλον τὸ σῶμα αὐτῶν, of the horse) and v. 6 (σπιλοῦσα ὅλον τὸ σῶμα, of the tongue’s defilement), and one English phrase must serve all three so the chain is visible.

σῶμα is the concrete physical body per the standing entry, and the concreteness is required by v. 3’s horse. But the referent is contested.

Whose body, and what body?

The individual’s own physical person — the tongue as one μέλος (v. 5) among the members it governs, on the analogy of the horse’s body turned by the bit. This is the reading the immediate figure supports.

The whole of a person’s conduct, σῶμα standing by metonymy for the self in action, on the strength of v. 6 (σπιλοῦσα ὅλον τὸ σῶμα) where a merely anatomical reading is strained.

The body of the community, anticipating the corporate damage of vv. 9-12 and 4:1-2. Least well supported, but the phrase does recur at v. 6 in a context of communal harm.

The rendering keeps the plain ‘the whole body’ at all three points, which is as open as the Greek; ‘his whole person’ and ‘all his conduct’ each adjudicate.

Built onbdag · bdf

textual

Text

The verse is textually quiet. prints it without a variation unit of substance, and Metzger’s commentary passes over it.

The points worth recording are minor and all illustrate the same direction of scribal pressure — toward smoothing what James left rough:

  • ἅπαντες is read by the leading witnesses; a portion of the later tradition substitutes the commoner πάντες. The strengthened and more literary form is the harder reading and is original; scribes level toward the ordinary word.
  • ἐστίν is supplied after ἀνήρ in some minuscules, repairing the verbless apodosis.
  • Punctuation between v. 2a and v. 2b varies among printed editions (full stop in ; colon adopted by some editors making 2b explicate 2a). This is editorial judgment, not manuscript evidence — the earliest majuscules carry no punctuation — and the choice bears on whether the conditional is a fresh move or an unpacking of the preceding admission.

None of this affects the sense. What is at stake in this verse is lexical and syntactic, not text-critical.

Built onna28 · metzger-tc

versions

Versions

: in multis enim offendimus omnes. si quis in verbo non offendit, hic perfectus est vir, potens etiam totum corpus freno circumducere.

Three things happened here that shaped the English tradition, and each should be treated as reception rather than evidence (§11).

  1. offendimus / offendit for πταίω. Latin offendere genuinely means ‘strike against, trip on’, so Jerome’s choice is accurate to the root. But it produced English ‘offend’, which has lost the physical sense entirely and now means ‘give offense to someone’ — a different verb with a different subject-object relation. This is why ‘offend’ is confined to the declared liturgical register here.

  2. perfectus for τέλειος. Again accurate Latin — perficere is ‘carry through to completion’ — and again the English descendant has drifted, to flawlessness. The doctrinal difficulty modern readers feel in this verse is largely a translation artifact of that drift.

  3. freno circumducire — ‘to lead about with a bridle’ — expands the single Greek compound into a phrase and adds freno explicitly. Jerome evidently felt the compound’s bit-image and made it visible, which is a useful confirmation that the metaphor was live, though the expansion itself must not be imported.

The likewise renders the bridling with an explicit rein-word, and construes the closing clause as capacity rather than performance.

Built onbdag

Proposed — pending reviewBiblia Sacra Iuxta Vulgatam Versionem, ed. Robert Weber and Roger Gryson, 5th ed. (Stuttgart: Deutsche Bibelgesellschaft, 2007)

context

How the early Church read it

The patristic reading turns almost entirely on the first clause, and it turns in one direction: as a check on presumption.

Chrysostom, in his homilies on the epistles, treats the universality of πταίομεν ἅπαντες as the reason the ambition to teach is dangerous — the would-be teacher forgets that he shares the common condition, and the greater κρίμα falls on him precisely because his medium is the faculty in which everyone trips. The point is pastoral: the verse is not information about human nature but an argument against volunteering.

Bede, commenting on the Catholic Epistles, reads the second clause as a genuine ideal rather than a mere hypothesis, and takes τέλειος in the sense of a maturity that is real but relative — the man whose speech is disciplined has the rest of himself in hand, which is why James can build the whole chapter’s argument on so small a member.

Augustine cites James’s in multis offendimus omnes repeatedly in the Pelagian controversy, as scriptural warrant that no one in this life is without sin. That use is legitimate as to the first clause. It also shows why the perfectus of the second clause was theologically awkward from early on: if the same verse says everyone trips and then describes a perfect man, something has to give. The patristic solution was to read τέλειος as relative maturity, not as sinlessness — which is exactly what the lexical evidence supports and what the corpus glossary already requires.

Notably, no ancient commentator known to me reads the conditional as a claim that some particular person had achieved it.

Proposed — pending reviewBede the Venerable, Commentary on the Seven Catholic Epistles, trans. David Hurst, Cistercian Studies 82 (Kalamazoo, MI: Cistercian Publications, 1985)

substrate

Wider first-century context

The verse sits in a well-populated sapiential field.

Sirach is the nearest analogue in vocabulary and posture. Sir 19:16 : τίς οὐχ ἥμαρτεν ἐν τῇ γλώσσῃ αὐτοῦ — ‘who has not sinned with his tongue?’ — a rhetorical question presupposing the same universality James asserts. Sir 14:1 pronounces blessed the man not stung by the utterance of his own mouth. Sir 25:8 and 28:12-26 develop the tongue’s destructive power at length, including fire imagery close to Jas 3:5-6.

Proverbs supplies the guarded-mouth topos: Prov 10:19; 13:3 (ὃς φυλάσσει τὸ ἑαυτοῦ στόμα, τηρεῖ τὴν ἑαυτοῦ ψυχήν); 21:23. Ps 38:2 (ἐφύλαξα τὸ στόμα μου) belongs to the same field.

On the specifically agonistic-philosophical side, the bit-and-rudder pair of vv. 3-4 was a stock combination in Hellenistic moral writing for the small thing that governs the large, and self-mastery figured as charioteering is a Platonic and Stoic commonplace. James’s originality is not the figure but the target: he applies the philosophical control-image to speech and then denies, in v. 8, that anyone achieves it — which is the move a Stoic would not make.

The Jesus tradition on speech and judgment stands close behind v. 1-2 as well: Matt 12:36-37 (every ἀργὸν ῥῆμα answered for at judgment) uses κρίσις where James has κρίμα, and Matt 5:48 supplies the τέλειος standard that the second clause’s harder reading invokes.

Built onmuraoka-lxx · bdag

theology

What the verse is doing in the chapter

Read forward, v. 2 sets up everything that follows and is then, in a sense, undercut by it.

The sequence is: universal tripping (v. 2a) → the hypothetical man who does not trip in speech, competent to bridle the whole body (v. 2b) → bits in horses’ mouths turning the whole body (v. 3) → the tiny rudder steering the great ship (v. 4) → the small member that boasts great things (v. 5) → the spark, the fire, the whole world of unrighteousness (vv. 5-6) → every kind of beast tamed, but the tongue tamed by no one (vv. 7-8).

So the figure introduced in v. 2b to describe a capacity is developed in vv. 3-5 to establish the principle (small member, whole body), and then in vv. 7-8 the principle is turned against the capacity: οὐδεὶς δαμάσαι δύναται ἀνθρώπων. The same δύναμαι root that made the τέλειος ἀνήρ δυνατός in v. 2 is negated of all humanity in v. 8.

This is why the conditional cannot be resolved in translation. If v. 2b were flatly hortatory, v. 8 contradicts it. If v. 2b were flatly counterfactual, the chapter’s exhortation collapses into fatalism and 1:26’s implied command to bridle the tongue becomes pointless. James holds both, in the manner of wisdom literature: an ideal named, the impossibility of achieving it by natural capacity demonstrated, and the resolution deferred to the wisdom ἄνωθεν of vv. 13-18, which is given rather than mastered (cf. 1:5, αἰτείτω).

That structure also constrains the theology drawn from v. 2a. The clause is genuinely universal and includes the writer, so Augustine’s use of it against Pelagian perfectionism is exegetically sound. But it is a wisdom-observation about the pervasiveness of tripping, not a formal doctrine of total depravity, and the rendering should not be pressed into carrying more than the sentence says (§6).

Built onbdag

Proposed — pending reviewPatrick J. Hartin, James, Sacra Pagina 14 (Collegeville, MN: Liturgical Press, 2003)

The tongue and the guarded mouth (LXX wisdom)
Sir 19:16 ‘Who has not sinned with his tongue?' — the same universality as πταίομεν ἅπαντες, put as a question.
Sir 28:12-26 Extended treatment of the tongue's destructive power, including fire imagery close to Jas 3:5-6.
Sir 14:1 Blessed the man not stung by his own mouth's utterance — the beatitude form behind Jas 3:2b.
Prov 13:3 Guarding the mouth guards the life; the standing sapiential topos.
Prov 10:19 Many words guarantee transgression — the premise of Jas 3:1-2.
Ps 39:1 (38:2 LXX) ‘I will guard my mouth' — bridle-language in the Psalter.
James's own use of the key words
Jas 1:26 χαλιναγωγέω of the tongue; the verse this clause reaches back to.
Jas 3:3 χαλινούς and ὅλον τὸ σῶμα made explicit — proof the metaphor is live.
Jas 3:6 ὅλον τὸ σῶμα again, now as what the tongue defiles.
Jas 3:8 οὐδεὶς δαμάσαι δύναται ἀνθρώπων — the negation of v. 2's δυνατός, and the crux of the conditional.
Jas 2:10 πταίσῃ ἐν ἑνί — the same verb, of tripping over one point of the law.
Jas 1:4 τέλειοι καὶ ὁλόκληροι, glossed ἐν μηδενὶ λειπόμενοι — James's own definition of τέλειος.
Jas 1:12 μακάριος ἀνήρ — the LXX wisdom-formula subject, the same generic ἀνήρ.
τέλειος and the perfection question
Matt 5:48 ἔσεσθε … τέλειοι — the standard invoked by the harder reading of the protasis.
Phil 3:12 οὐχ ὅτι ἤδη τετελείωμαι — Paul denying arrival, the same τελ- root.
Phil 3:15 ὅσοι τέλειοι — maturity, not flawlessness, three verses after the denial.
Col 1:28 τέλειον ἐν Χριστῷ — the goal-attainment pole of the adjective.
Stumbling
Rom 11:11 πταίω distinguished from πίπτω — tripping is not falling.
2 Pet 1:10 οὐ μὴ πταίσητέ ποτε — the only other NT occurrence of the verb.
Speech and judgment in the Jesus tradition
Matt 12:36-37 Every ἀργὸν ῥῆμα answered for — the ground of the μεῖζον κρίμα of Jas 3:1.
Matt 15:11 What proceeds out of the mouth defiles; cf. Jas 3:6, 10.
δυνατός + infinitive
Rom 4:21 δυνατός ἐστιν … ποιῆσαι — the same competence construction.
Titus 1:9 δυνατὸς … παρακαλεῖν, of a teacher's competence — the same idiom in the same domain.
Acts 7:22 δυνατὸς ἐν λόγοις — ἐν λόγῳ as the sphere of speech.
Where this analysis was built
Text

Nestle-Aland, Novum Testamentum Graece. 28th rev. ed. Stuttgart, 2012.

Textual apparatus

Metzger, B. M. A Textual Commentary on the Greek New Testament. 2nd ed. Stuttgart, 1994.

Lexica

Bauer, W., F. W. Danker, W. F. Arndt, F. W. Gingrich. A Greek–English Lexicon of the New Testament and Other Early Christian Literature. 3rd ed. Chicago, 2000.

Muraoka, T. A Greek–English Lexicon of the Septuagint. Leuven, 2009.

Grammars

Blass, F., A. Debrunner, R. W. Funk. A Greek Grammar of the New Testament. Chicago, 1961.

Proposed — pending editor review

Ralph P. Martin, James, Word Biblical Commentary 48 (Waco, TX: Word Books, 1988)

Patrick J. Hartin, James, Sacra Pagina 14 (Collegeville, MN: Liturgical Press, 2003)

Dale C. Allison Jr., A Critical and Exegetical Commentary on the Epistle of James, International Critical Commentary (London: Bloomsbury T&T Clark, 2013)

Sophie Laws, A Commentary on the Epistle of James, Black's New Testament Commentaries (London: A. & C. Black, 1980)

Bede the Venerable, Commentary on the Seven Catholic Epistles, trans. David Hurst, Cistercian Studies 82 (Kalamazoo, MI: Cistercian Publications, 1985)

Biblia Sacra Iuxta Vulgatam Versionem, ed. Robert Weber and Roger Gryson, 5th ed. (Stuttgart: Deutsche Bibelgesellschaft, 2007)