Galatians 3:29
29. and heirs—The oldest manuscripts omit "and." Christ is "Abraham's seed" (Ga 3:16): ye are "one in Christ" (Ga 3:28), and one with Christ, as having "put on Christ" (Ga 3:27); therefore YE are "Abraham's seed," which is tantamount to saying (whence the "and" is omitted), ye are "heirs according to the promise" (not "by the law," Ga 3:18); for it was to Abraham's seed that the inheritance was promised (Ga 3:16). Thus he arrives at the same truth which he set out with (Ga 3:7). But one new "seed" of a righteous succession could be found. One single faultless grain of human nature was found by God Himself, the source of a new and imperishable seed: "the seed" (Ps 22:30) who receive from Him a new nature and name (Ge 3:15; Isa 53:10, 11; Joh 12:24). In Him the lineal descent from David becomes extinct. He died without posterity. But He lives and shall reign on David's throne. No one has a legal claim to sit upon it but Himself, He being the only living direct representative (Eze 21:27). His spiritual seed derive their birth from the travail of His soul, being born again of His word, which is the incorruptible seed (Joh 1:12; Ro 9:8; 1Pe 1:23).
Galatians 4:7
7. Wherefore—Conclusion inferred from Ga 4:4-6.
thou—individualizing and applying the truth to each. Such an individual appropriation of this comforting truth God grants in answer to them who cry, "Abba, Father." heir of God through Christ—The oldest manuscripts read, "an heir through God." This combines on behalf of man, the whole before-mentioned agency, of THE TRINITY: the Father sent His Son and the Spirit; the Son has freed us from the law; the Spirit has completed our sonship. Thus the redeemed are heirs THROUGH the Triune GOD, not through the law, nor through fleshly descent [WINDISCHMANN in ALFORD]; (Ga 3:18 confirms this). heir—confirming Ga 3:29; compare Ro 8:17.