RYLT(i)
15 Brethren, as a man I say it, even of man a confirmed covenant no one does make void or does add to,
16 and to Abraham were the promises spoken, and to his seed; He does not say, 'And to seeds,' as of many, but as of one, 'And to thy seed,' which is Christ;
17 and this I say, A covenant confirmed before by God to Christ, the law, that came four hundred and thirty years after, does not set aside, to make void the promise,
18 for if by law be the inheritance, it is no more by promise, but to Abraham through promise did God grant it.
19 Why, then, the law? on account of the transgressions it was added, till the seed might come to which the promise has been made, having been set in order through messengers in the hand of a mediator --