made of a woman, made under the law, To redeem those under the law, that we might receive the adoption of sons.

Surely it is written in the Law that Abraham had two sons, one by the slave-woman and one by the free-woman;

For through the Law I died to the Law and its demands on me [because salvation is provided through the death and resurrection of Christ], so that I might [from now on] live to God.

But, just as it was then --- the son born in the ordinary way [i.e., Ishmael] persecuting the one born according to the Holy Spirit's [leading, i.e., Isaac] --- so it is now [i.e., Jews urging compliance with the requirements of the law of Moses persecuting those who refuse to return to dependance on that law for salvation. See 3:1-3].

know that a man is not justified by the deeds of the law: but by the faith of Jesus Christ - and therefore we have believed on Jesus Christ, that we might be justified by the faith of Christ and not by the deeds of the law: because that no flesh shall be justified by the deeds of the law.

Is the law, then, against the promise of God? God forbid. Howbeit, if there had been a law given which could have given life: then no doubt righteousness should have come by the law.

For all who depend on the Law [seeking justification and salvation by obedience to the Law and the observance of rituals] are under a curse; for it is written, “Cursed (condemned to destruction) is everyone who does not abide by all things written in the book of the law, so as to practice them.”