17 They are zealous in your regard not well: but they would exclude you, that you might be zealous for them.
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.