^{28 Ref} And we, brethren, as Isaac, are children of promise,

^{29 Ref} but as then he who was born according to the flesh did persecute him according to the spirit, so also now;

^{30 Ref} but what saith the Writing? `Cast forth the maid-servant and her son, for the son of the maid-servant may not be heir with the son of the free-woman;'

^{31 Ref} then, brethren, we are not a maid-servant's children, but the free-woman's.