Paul has just said something startling: οἱ πάντες… τὰ ἑαυτῶν ζητοῦσιν (v. 21) — they are all seeking their own interests. Verse 22 is the counter-instance. Timothy’s δοκιμή — his character as certified by testing — is not something the Philippians need to take on Paul’s word; they have watched it (Acts 16 places Timothy with Paul at Philippi’s founding).

Two features carry the weight. First, δοκιμή is an assay term: it names the outcome of a trial, the way metal comes out of the fire proved. Second, the comparison ὡς πατρὶ τέκνον is grammatically broken — Paul starts to say ‘as a child serves a father’ and then swerves, because he will not say that Timothy served him. What he writes instead is σὺν ἐμοὶ ἐδούλευσεν — ‘he did slave-service with me’. Both are slaves; the gospel is the master. That correction is the theological point of the verse, and it is the same reflex that produced μορφὴν δούλου in v. 7.

So the verse quietly re-applies the hymn. The one who took the form of a slave has minted slaves who serve alongside one another rather than above one another — the practical shape of τὸ αὐτὸ φρονεῖν (v. 2).

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δοκιμή is rare outside Paul (all seven NT occurrences are his). It belongs to the δοκιμάζω/δόκιμος family drawn from metallurgy and coinage — testing metal for genuineness. BDAG distinguishes two senses: (1) the process of testing, ‘ordeal’, and (2) the result, ‘provenness, tested and approved character’. Sense (2) fits here: the Philippians know the outcome, not the procedure.

Rom 5:4 makes the semantics visible in a chain — θλῖψις produces ὑπομονή, ὑπομονή produces δοκιμή. δοκιμή is what remains after pressure. 2 Cor 8:2 and 9:13 use it the same way of the Macedonian churches’ verified generosity, which is notable: Paul is telling Philippi about Timothy in exactly the vocabulary he used about Philippi’s own region.

‘Proof’ alone is too abstract in modern English (it suggests a demonstration or a piece of evidence). ‘Tested worth’ or ‘proven character’ keeps the passive sense: this is what he was found to be.

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The form is identical in the present indicative and the present imperative 2pl. Both readings make sense.

Rendered as indicative in both main renderings, since Paul’s aim in the paragraph is to warrant sending Timothy rather than to instruct Philippi about him. The imperative reading changes tone, not doctrine.

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Word for word: ‘as to-a-father a-child’. τέκνον is nominative (subject), πατρί dative (person served), and the verb of the comparison is simply absent — the reader supplies δουλεύει from what follows. This is ordinary Greek ellipsis in comparative clauses (BDF §479 on abbreviated comparisons).

The interesting thing is what happens next. Strict parallelism would require ‘as a child serves a father, so he served me’ (ἐμοί). Paul instead writes σὺν ἐμοί. The construction is an anacoluthon — a deliberate break. He allows the father/child image (he uses it of Timothy in 1 Cor 4:17 and 1 Tim 1:2) but refuses the implication that Timothy is his servant.

τέκνον, not υἱός, is the word: it is affectionate and relational (‘child’), not juridical (‘son and heir’). Rendering it ‘son’ imports a legal-inheritance overtone the Greek does not press, and loses the tenderness the diminutive-flavored term carries. In the Greco-Roman household the son apprenticed to the father’s trade — that is the realia behind the image, and it should be left standing rather than explained away.

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δουλεύω is not the mild διακονέω but the verb of slave-labor — service rendered as a δοῦλος. Paul is not being modest for effect; he uses the same self-designation in Phil 1:1 (δοῦλοι Χριστοῦ Ἰησοῦ) and it is the hymn’s own word for the incarnation (μορφὴν δούλου, v. 7). §5 of the working rules requires that slavery vocabulary be rendered at face value: ‘served’ is acceptable English, but the note must record that the image is bondservice, not volunteering.

σύν + dative marks association, not subordination: ‘together with me’. Combined with ἐδούλευσεν it produces the paradox — two slaves, one master, no hierarchy between them. Chrysostom, commenting on the passage, notes that Paul honors Timothy rather than himself here, and reads the father/child language as affection rather than rank; the observation matches the grammar.

The aorist ἐδούλευσεν is summary (constative): it gathers the whole span of Timothy’s co-labor into one glance, from Philippi onward.

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εἰς here is not the object of service (as though the gospel were the master) but its goal or advantage: service directed toward, for the furtherance of, the good news. Compare Phil 1:5 (κοινωνία εἰς τὸ εὐαγγέλιον) and 1:12 (εἰς προκοπὴν τοῦ εὐαγγελίου) — the same idiom of gospel-directed effort recurs across the letter, which is one reason the phrase should be rendered consistently.

τὸ εὐαγγέλιον in Paul is the proclaimed message with its ongoing mission, not a written document. ‘Gospel’ is retained; ‘good news’ is accurate but flattens the near-technical Pauline usage that the definite article signals.

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Per §10 (epistolary argument), the connectives are load-bearing. δέ is adversative here, setting Timothy against the sweeping οἱ πάντες of v. 21. The paragraph’s logic runs: I have no one else ἰσόψυχον (v. 20) → all seek their own (v. 21) → but his tested worth you know (v. 22) → therefore I hope to send him (v. 23).

That sequence deliberately echoes vv. 3–4 (μὴ τὰ ἑαυτῶν… σκοποῦντες) and vv. 6–8. Timothy and Epaphroditus (vv. 25–30) function as the two worked examples of the mind of Christ; Timothy illustrates seeking another’s interests, Epaphroditus illustrates obedience μέχρι θανάτου. The commendation is not a postscript — it is the hymn cashed out in two named men.

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NA28 prints the verse without variation units in the main apparatus; there is no significant division among the witnesses, and Metzger’s committee found nothing here requiring comment. The only fluctuation in the tradition concerns word order in some minuscules and is without exegetical consequence.

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