4:22For it is written, that Abraham had two sons, the one by a bondmaid, the other by a freewoman.

4:23But he who was of the bondwoman was born after the flesh; but he of the freewoman was by promise.

4:24Which things are an allegory: for these are the two covenants; the one from the mount Sinai, which gendereth to bondage, which is Agar.

4:25For this Agar is mount Sinai in Arabia, and answereth to Jerusalem which now is, and is in bondage with her children.

4:26But Jerusalem which is above is free, which is the mother of us all.

4:27For it is written, Rejoice, thou barren that bearest not; break forth and cry, thou that travailest not: for the desolate hath many more children than she which hath an husband.

4:28Now we, brethren, as Isaac was, are the children of promise.

4:29But as then he that was born after the flesh persecuted him that was born after the Spirit, even so it is now.

4:30Nevertheless what saith the scripture? Cast out the bondwoman and her son: for the son of the bondwoman shall not be heir with the son of the freewoman.

4:31So then, brethren, we are not children of the bondwoman, but of the free.