for the word Hagar is Mount Sinai in Arabia; and she corresponds to the Jerusalem now existing, for she is in bondage with her children;

For it is written: "Rejoice, thou barren that bearest not; break forth and cry, thou that travailest not; for many are the children of the desolate one, rather than of her who hath the husband."

But 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."