Galatians 3:15-22

15Brethren, I speak in the manner of men: Though it is only a man’s covenant, yet if it is confirmed, no one annuls or adds to it.

16Now to Abraham and his Seed were the promises made. He does not say, “And to seeds,” as of many, but as of one, “And to your Seed,” who is Christ.

17And this I say, that the law, which was four hundred and thirty years later, cannot annul the covenant that was confirmed before by God in Christ, that it should make the promise of no effect.

18For if the inheritance is of the law, it is no longer of promise; but God gave it to Abraham by promise.

19What purpose then does the law serve? It was added because of transgressions, till the Seed should come to whom the promise was made; and it was appointed through angels by the hand of a mediator.

20Now a mediator does not mediate for one only, but God is one.

21Is the law then against the promises of God? Certainly not! For if there had been a law given which could have given life, truly righteousness would have been by the law.

22But the Scripture has confined all under sin, that the promise by faith in Jesus Christ might be given to those who believe.