18 But it is always good to be zealous in a good cause, and not only when I am present with you.
19 My little children, of whom I am again in travail until Christ is formed in you--
20 but I could wish to be present with you now, and to change my tone, for I am perplexed about you.
21 Tell me, you that desire to be under the law, don`t you listen to the law?
22 For it is written that Abraham had two sons, one by the handmaid, and one by the free woman.
23 However, the son by the handmaid was born according to the flesh, but the son by the free woman was born through promise.
24 These things contain an allegory, for these are two covenants. One is from Mount Sinai, bearing children to bondage, which is Hagar.