Galatians 2:16

16yet we know
Grk “yet knowing”; the participle εἰδότες (eidotes) has been translated as a finite verb due to requirements of contemporary English style.
that no one
Grk “no man,” but ἄνθρωπος (anthrōpos) is used here in a generic sense, referring to both men and women.
is justified by the works of the law
The law is a reference to the law of Moses.
but by the faithfulness of Jesus Christ.
Or “faith in Jesus Christ.” A decision is difficult here. Though traditionally translated “faith in Jesus Christ,” an increasing number of NT scholars are arguing that πίστις Χριστοῦ (pistis Christou) and similar phrases in Paul (here and in v. 20; Rom 3:22, 26; Gal 3:22; Eph 3:12; Phil 3:9) involve a subjective genitive and mean “Christ’s faith” or “Christ’s faithfulness” (cf., e.g., G. Howard, “The ‘Faith of Christ’,” ExpTim 85 [1974]: 212-15; R. B. Hays, The Faith of Jesus Christ [SBLDS]; Morna D. Hooker, “Πίστις Χριστοῦ,” NTS 35 [1989]: 321-42). Noteworthy among the arguments for the subjective genitive view is that when πίστις takes a personal genitive it is almost never an objective genitive (cf. Matt 9:2, 22, 29; Mark 2:5; 5:34; 10:52; Luke 5:20; 7:50; 8:25, 48; 17:19; 18:42; 22:32; Rom 1:8; 12; 3:3; 4:5, 12, 16; 1 Cor 2:5; 15:14, 17; 2 Cor 10:15; Phil 2:17; Col 1:4; 2:5; 1 Thess 1:8; 3:2, 5, 10; 2 Thess 1:3; Titus 1:1; Phlm 6; 1 Pet 1:9, 21; 2 Pet 1:5). On the other hand, the objective genitive view has its adherents: A. Hultgren, “The Pistis Christou Formulations in Paul,” NovT 22 (1980): 248-63; J. D. G. Dunn, “Once More, ΠΙΣΤΙΣ ΧΡΙΣΤΟΥ,” SBL Seminar Papers, 1991, 730–44. Most commentaries on Romans and Galatians usually side with the objective view.
On the phrase translated the faithfulness of Christ, ExSyn 116, which notes that the grammar is not decisive, nevertheless suggests that “the faith/faithfulness of Christ is not a denial of faith in Christ as a Pauline concept (for the idea is expressed in many of the same contexts, only with the verb πιστεύω rather than the noun), but implies that the object of faith is a worthy object, for he himself is faithful.” Though Paul elsewhere teaches justification by faith, this presupposes that the object of our faith is reliable and worthy of such faith.
And
In Greek this is a continuation of the preceding sentence, but the construction is too long and complex for contemporary English style, so a new sentence was started here in the translation.
we have come to believe in Christ Jesus, so that we may be justified by the faithfulness of Christ
Or “by faith in Christ.” See comment above on “the faithfulness of Jesus Christ.”
and not by the works of the law, because by the works of the law no one
Or “no human being”; Grk “flesh.”
will be justified.
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