That is, They which are the children of the flesh, these [are] not the children of God: but the children of the promise are counted for the seed.
As for me, behold, my covenant [is] with thee, and thou shalt be a father of many nations.
What advantage then hath the Jew? or what profit [is there] of circumcision?
And he received the sign of circumcision, a seal of the righteousness of the faith which [he had yet] being uncircumcised: that he might be the father of all them that believe, though they be not circumcised; that righteousness might be imputed unto them also:
Neither, because they are the seed of Abraham, [are they] all children: but, In Isaac shall thy seed be called.
For this [is] the word of promise, At this time will I come, and Sara shall have a son.
And not only [this]; but when Rebecca also had conceived by one, [even] by our father Isaac;
(For [the children] being not yet born, neither having done any good or evil, that the purpose of God according to election might stand, not of works, but of him that calleth;)
It was said unto her, The elder shall serve the younger.
As it is written, Jacob have I loved, but Esau have I hated.
And he gave him the covenant of circumcision: and so [Abraham] begat Isaac, and circumcised him the eighth day; and Isaac [begat] Jacob; and Jacob [begat] the twelve patriarchs.
And the uncircumcised man child whose flesh of his foreskin is not circumcised, that soul shall be cut off from his people; he hath broken my covenant.
Neither shall thy name any more be called Abram, but thy name shall be Abraham; for a father of many nations have I made thee.
And I will make thee exceeding fruitful, and I will make nations of thee, and kings shall come out of thee.
And I will establish my covenant between me and thee and thy seed after thee in their generations for an everlasting covenant, to be a God unto thee, and to thy seed after thee.
And I will give unto thee, and to thy seed after thee, the land wherein thou art a stranger, all the land of Canaan, for an everlasting possession; and I will be their God.
And God said unto Abraham, Thou shalt keep my covenant therefore, thou, and thy seed after thee in their generations.
This [is] my covenant, which ye shall keep, between me and you and thy seed after thee; Every man child among you shall be circumcised.
And ye shall circumcise the flesh of your foreskin; and it shall be a token of the covenant betwixt me and you.
And he that is eight days old shall be circumcised among you, every man child in your generations, he that is born in the house, or bought with money of any stranger, which [is] not of thy seed.
He that is born in thy house, and he that is bought with thy money, must needs be circumcised: and my covenant shall be in your flesh for an everlasting covenant.
For I testify again to every man that is circumcised, that he is a debtor to do the whole law.