Paul has just cancelled the whole circumcision/uncircumcision scale: οὔτε γὰρ περιτομή τί ἐστιν οὔτε ἀκροβυστία, ἀλλὰ καινὴ κτίσις (v. 15). Verse 16 pronounces a benediction on everyone who lines up with that verdict. Four things carry the verse.

1. κανών is a measuring-rod — a physical straightedge, not an abstract principle. The dative with στοιχέω (‘keep in step,’ already fixed in the glossary against περιπατέω) puts a rank of soldiers or a row of vines alongside a surveyor’s line. The Galatians are told to align with v. 15.
2. The benediction is verbless, like the salutation of Phil 1:2 and the closing of Gal 6:18. Greek does not say whether peace is upon them or may it be. English must supply something; we supply ‘be’ and record the choice.
3. The word order is odd: not εἰρήνη καὶ ἔλεος ἐπʼ αὐτούς but εἰρήνη ἐπʼ αὐτοὺς καὶ ἔλεος — ‘mercy’ is pushed past the prepositional phrase to the end of the clause. That displacement is a datum, and the manuscript tradition tried to repair it.
4. The final καί is the most contested conjunction in Galatians. Does it add a second group (‘and also upon the Israel of God’) or rename the first (‘that is, upon the Israel of God’)? The whole question of whether Paul ever calls the church ‘Israel’ turns on this one word, and the apparatus below does not resolve it.

ὅσοι is the quantitative-correlative relative already fixed for Phil 3:15: it draws a circle around everyone answering to the predicate rather than selecting a subset. It is inclusive by nature.

The force matters here because the verse is a benediction and the identity of its recipients is disputed. Paul does not write οἱ πιστεύοντες or ὑμεῖς. He writes an open ὅσοι with a future verb — a class defined by a future characteristic, not a named roster. Whoever ends up walking this line is inside the blessing.

Note that the same construction opens v. 12 (ὅσοι θέλουσιν εὐπροσωπῆσαι ἐν σαρκί) with precisely the opposite content. The two ὅσοι clauses bracket the closing paragraph: as many as want a good showing in the flesh, and as many as will keep in step with the new creation.

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κανών is a Semitic loan into Greek (Hebrew qāneh, ‘reed’) that came to mean the carpenter’s or mason’s straightedge, then by extension any fixed standard of measurement — a norm against which a thing is checked for straightness. Four NT occurrences, all Pauline: three at 2 Cor 10:13-16 (the ‘measure’ of Paul’s assigned field of work) and this one.

Two consequences.

First, the metaphor is live, not dead (§8). Paul is not saying ‘principle’; he is saying ‘the line you check yourself against.’ The dative construction with a verb of marching in ranks keeps the image coherent: a straightedge and a file of men aligning to it. Rendering ‘by this principle’ or ‘by this standard’ is intelligible but discards the object.

Second, the later ecclesiastical senses — canon as a rule of faith, a list of authoritative books, a conciliar decree — are post-biblical reception (§9, §11). They may be named as background; they supply no evidence for the first-century meaning. The English word ‘canon’ is therefore avoided in the reading text, though ‘this canon’ is retained in the study tier where the transliteration’s transparency helps.

τούτῳ is anaphoric. The referent is almost certainly v. 15 — the abolition of the circumcision scale and the assertion of καινὴ κτίσις. Some would extend it to the argument of the whole letter; the demonstrative itself does not decide, and the smooth rendering leaves it bare.

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Proposed — pending reviewJ. B. Lightfoot, Saint Paul's Epistle to the Galatians, 10th ed., London: Macmillan, 1890. · Henry George Liddell, Robert Scott, and Henry Stuart Jones, A Greek-English Lexicon, 9th ed. with revised supplement, Oxford: Clarendon, 1996.

στοιχέω is already fixed in the glossary as ‘keep in step / hold rank,’ from στοῖχος (a row or file), and must stay lexically distinct from περιπατέω (‘walk’). Paul used it at Gal 5:25 (πνεύματι καὶ στοιχῶμεν) eleven verses earlier; the recurrence is deliberate and should be visible in English.

The future indicative in a relative clause of characterization is the point of interest. Greek could have used a present (‘as many as keep in step’) or a subjunctive with ἄν (‘whoever may keep in step’). The future presents the aligning as something that will be done — gnomic-characterizing rather than predictive of a dated event. It leaves the class open at the moment of writing, which suits a letter whose addressees are in the middle of deciding.

Do not render with a modal (‘as many as should walk’). The corpus policy on futures (Phil 4:4 πάλιν ἐρῶ; Gal 5:10 φρονήσετε) is to keep the future as a future.

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Both nouns are anarthrous and there is no verb.

εἰρήνη is fixed in the glossary as ‘peace’ carrying the LXX שָׁלוֹם breadth (positive wholeness) rather than the Greek negative sense of cessation of hostilities. ἔλεος is the LXX equivalent of חֶסֶד — covenant loyalty enacted, not sentiment — and shares its domain with ἐλεέω, already fixed as ‘have mercy on.’

Two features are worth flagging.

The order is reversed from Paul’s normal practice. His salutations run χάρις … καὶ εἰρήνη (Gal 1:3; Phil 1:2), and where ἔλεος appears in a greeting it precedes εἰρήνη (1 Tim 1:2; 2 Tim 1:2). Here peace comes first.

The syntax is broken. Greek word order would ordinarily give εἰρήνη καὶ ἔλεος ἐπʼ αὐτούς. Instead ἔλεος is stranded after the prepositional phrase, producing a rhythm that reads almost as an afterthought or a second stroke: peace upon them — and mercy. Several commentators have compared the shape of the Jewish synagogue benediction (the nineteenth of the Eighteen Benedictions closes with peace and mercy on Israel), and the resemblance is real; whether Paul is consciously reworking a liturgical formula is not demonstrable from the text alone.

The practical effect of the displacement is that ἔλεος sits immediately before the disputed final καί, which is part of why that clause reads so ambiguously.

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Proposed — pending reviewHans Dieter Betz, Galatians: A Commentary on Paul's Letter to the Churches in Galatia, Hermeneia, Philadelphia: Fortress, 1979.

No copula is written. The corpus already has a policy for this (χάρις ὑμῖν καὶ εἰρήνη, Phil 1:2; ᾧ ἡ δόξα, Phil 4:20; the closing at Gal 6:18): Greek asserts the relation without specifying mood or tense, and supplying ‘is’ commits to a declaration while supplying ‘may … be’ commits to a wish-prayer.

Here the optative-wish reading is the natural one — this is a closing benediction, and 1 Pet 4:11 shows that where a NT writer wanted the indicative he could write ἐστίν. But the indicative reading is defensible: v. 15 has just made a flat assertion about what does and does not count, and v. 16 could be stating the consequence rather than praying for it.

The reading text uses ‘be,’ the residual English subjunctive of blessing, which performs the benediction without asserting as flatly as ‘is.’ The literal tier brackets it.

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ἐπί + accusative rather than the dative or a bare dative of advantage. The accusative is directional — the blessing comes down onto its recipients — and reproduces the LXX idiom of blessing and of the Spirit resting on someone (cf. the ἀναπαύεται ἐπί of Isa 11:2 LXX / 1 Pet 4:14, already in the glossary).

The same preposition governs the final clause (ἐπὶ τὸν Ἰσραήλ), and the repetition is what makes the two phrases formally parallel — which is exactly what feeds the ‘second group’ reading below. Note, though, that Greek routinely repeats a preposition for a coordinated item without thereby marking a distinct referent; repetition is a necessary condition of the two-group reading but not a sufficient one.

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Everything turns on this καί. Greek καί can be copulative (‘and,’ adding an item), adjunctive/ascensive (‘also, even’), or explicative/epexegetical (‘and that is to say,’ renaming what precedes). All three are ordinary first-century usage; the construction alone does not decide.

A related and often overlooked point: even on Reading B, nothing in the verse identifies the second group with unbelieving Israel. The commonest form of B takes the Israel of God as Jewish Christians — believers who, unlike the agitators, have not made circumcision a condition. On that reading the two clauses distinguish Gentile and Jewish members of one church, not church and synagogue.

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Proposed — pending reviewF. F. Bruce, The Epistle to the Galatians: A Commentary on the Greek Text, New International Greek Testament Commentary, Grand Rapids: Eerdmans, 1982.

The phrase Ἰσραὴλ τοῦ θεοῦ occurs nowhere else in the Greek Bible, nor (on present evidence) in pre-Christian Jewish Greek. That is the hardest single fact about the verse, and it cuts both ways: a coined phrase may mark a redefinition, or it may be an emphatic honorific for the historic people.

The glossary already fixes Ἰσραήλ as ‘Israel,’ transliterated and kept lexically distinct from Ἰουδαῖος — the covenant-insider name against the civic-ethnic designation. That distinction is worth pressing here. Paul has used Ἰουδαῖος five times in Galatians (2:13, 14, 15; 3:28) and Ἰσραήλ never until this line. Reaching for the covenant name in the closing benediction, and qualifying it τοῦ θεοῦ, is a marked move whatever it means.

On the genitive: τοῦ θεοῦ is most naturally possessive-characterizing (‘God’s own Israel’), and it may function to distinguish this Israel from something else — either from ‘Israel according to the flesh’ (1 Cor 10:18), which supports Reading A, or simply as a solemn covenantal qualifier, which supports B. The genitive by itself does not decide.

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Proposed — pending reviewRichard N. Longenecker, Galatians, Word Biblical Commentary 41, Dallas: Word, 1990.

The NA28 text is secure in substance; the variation is minor and instructive about the direction of scribal smoothing.

• Word order of εἰρήνη ἐπʼ αὐτοὺς καὶ ἔλεος. Some witnesses transpose to give ἔλεος καὶ εἰρήνη or otherwise regularize the sequence, bringing the two nouns together before the preposition. The awkward printed order is the harder reading and explains the others; the transposition is the smoothing.
• στοιχήσουσιν / στοιχοῦσιν. A present is read by scattered witnesses in place of the future. Again the direction is toward the easier form: a present relative clause is the more expected shape, and the future is retained.
• Editorial punctuation is a separate matter. NA28 places a comma before καὶ ἐπὶ τὸν Ἰσραήλ; some editions and translations use a dash or nothing. The manuscripts are unpunctuated, so this is editorial judgment and must not be presented as evidence for either reading of the καί (§4).

None of the variation touches the meaning of the verse; the interpretive weight rests entirely on the syntax of the text as printed.

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The Fathers do not divide the way modern scholarship does, and their consensus is not evidence for the grammar — but it is worth recording that the appositional reading dominated early.

Chrysostom, commenting on the verse, takes the Israel of God as those who walk by the rule just given, contrasting them with those who are Israel in name only — he reads the phrase as marking out the genuine article rather than adding a second constituency. Jerome and Augustine likewise read the final clause as identifying the same people under their true title, with Augustine explicitly connecting it to the Rom 9:6 distinction (οὐ γὰρ πάντες οἱ ἐξ Ἰσραὴλ οὗτοι Ἰσραήλ).

The Latin et super Israel Dei preserves the ambiguity exactly, which is why the Western tradition could read it either way without pressure from the version itself.

Per §11, this is reception and is named as such. The Fathers’ preference does not settle the force of καί; it does show that Reading A was intelligible and unremarkable to native and near-native readers of Greek, which is a point against the claim that explicative καί here is a modern expedient.

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Proposed — pending reviewJohn Chrysostom, Commentary on the Epistle to the Galatians, in Nicene and Post-Nicene Fathers, First Series, vol. 13, ed. Philip Schaff.

Verses 11-18 are Paul’s autograph postscript, in his own large letters (v. 11). The paragraph runs: the agitators’ motive is exposed (vv. 12-13), Paul’s counter-boast is the cross (v. 14), the scale is abolished and new creation asserted (v. 15), and v. 16 pronounces the blessing on all who align with that.

Two internal links govern the verse.

στοιχέω ties v. 16 back to 5:25 (πνεύματι καὶ στοιχῶμεν), which is why the same English words are used at both points. The rule to be kept in step with is not a new set of requirements replacing the law; it is the verdict of v. 15 worked out by the Spirit.

εἰρήνη ties the closing to the opening (1:3, χάρις ὑμῖν καὶ εἰρήνη). The letter that began with astonishment (1:6) and included an anathema (1:8-9) ends by pronouncing peace — which is itself part of the argument that Paul’s severity was pastoral, not punitive.

Note that this is the letter’s penultimate word to the churches; the actual closing benediction is v. 18, which follows the fixed Pauline formula (ἡ χάρις τοῦ κυρίου ἡμῶν Ἰησοῦ Χριστοῦ μετὰ τοῦ πνεύματος ὑμῶν). Verse 16 is therefore not the formal epistolary close but a benediction inserted at the climax of the argument, which is one reason its shape is irregular.

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