Therefore she said to Abraham, Cast out this bondwoman and her son, for the son of this bondwoman shall not be an heir with my son Isaac. [Gal. 4:28-31.]
He did not weaken in faith when he considered the [utter] impotence of his own body, which was as good as dead because he was about a hundred years old, or [when he considered] the barrenness of Sarah's [deadened] womb. [Gen. 17:17; 18:11.]