18 But be zealous for that which is good in a good thing always: and not only when I am present with you.
19 My little children, of whom I am in labour again, until Christ be formed in you.
20 And I would willingly be present with you now, and change my voice: because I am ashamed for you.
21 Tell me, you that desire to be under the law, have you not read the law?
22 For it is written that Abraham had two sons: the one by a bondwoman, and the other by a free woman.
23 But he who was of the bondwoman, was born according to the flesh: but he of the free woman, was by promise.
24 Which things are said by an allegory. For these are the two testaments. The one from mount Sina, engendering unto bondage; which is Agar: