Thomson(i)
14 that the blessing of Abraham might come upon the nations by Christ Jesus, that we might receive the promise of the spirit by means of this belief.
15 Brethren [I speak according to the practice of men] as no one disannulleth the covenant of a man, or superaddeth to it when it is ratified;
16 and the promises were made to Abraham and the seed of him [it is not said "and to the seeds" as if it was a covenant for many, but as if for one, and to the seed of thee; namely Christ]
17 now this I say that the law which was four hundred and thirty years after, doth not disannul a covenant ratified by God for Christ, so as to put a stop to the promise.