17 they are zealous for you -- [yet] not well, but they wish  to shut us out, that for them ye may be zealous;
         
                                
                        18 and [it is] good to be zealously regarded, in what is good,  at all times, and not only in my being present with you;
         
                                
                        19 my little children, of whom again I travail in birth, till  Christ may be formed in you,
         
                                
                        20 and I was wishing to be present with you now, and to change  my voice, because I am in doubt about you.
         
                                
                        21 Tell me, ye who are willing to be under law, the law do ye  not hear?
         
                                
                        22 for it hath been written, that Abraham had two sons, one by  the maid-servant, and one by the free-woman,
         
                                
                        23 but he who [is] of the maid-servant, according to flesh  hath been, and he who [is] of the free-woman, through the  promise;