I ¹  was advancing in Judaism beyond many of my contemporaries in my nation, ²  and was ³  extremely zealous for the traditions of my ancestors. ⁴ 

Now the promises were spoken to Abraham and to his descendant. ¹  Scripture ²  does not say, “and to the descendants,” ³  referring to many, but “and to your descendant,” ⁴  referring to one, who is Christ.

For it is written: “Rejoice, O barren woman who does not bear children; ¹  break forth and shout, you who have no birth pains, because the children of the desolate woman are more numerous than those of the woman who has a husband.” ²