Treasury of Scripture Knowledge
And this I say, that the covenant, that was confirmed before of God in Christ, the law, which was four hundred and thirty years after, cannot disannul, that it should make the promise of none effect.
And God declared that Abraham's posterity should for four hundred years make their home in a country not their own, and be reduced to slavery and be oppressed.
Brethren, even a covenant made by a man--to borrow an illustration from daily life--when once formally sanctioned is not liable to be set aside or added to.
On the one hand we have here the abrogation of an earlier code because it was weak and ineffective--
God, however, is only one. Is the Law then opposed to the promises of God? No, indeed; for if a Law had been given which could have conferred Life, righteousness would certainly have come by the Law.
Again, the promise that he should inherit the world did not come to Abraham or his posterity conditioned by Law, but by faith-righteousness.
For when God gave the promise to Abraham, since He had no one greater to swear by, He swore by Himself,
Christ has become nothing to any of you who are seeking acceptance with God through the Law: you have fallen away from grace.
For what if some Jews have proved unfaithful? Shall their faithlessness render God's faithfulness worthless?
1 Corinthians 1:17
Christ did not send me to baptize, but to proclaim the Good News; and not in merely wise words--lest the Cross of Christ should be deprived of its power.
In fulfillment of His promises to our forefathers--For Abraham and his posterity for ever."