Bridgeway Bible Commentary - Genesis 21:1-21
Birth of Isaac (21:1-21)When Isaac was born, Abraham circumcised him as commanded. In this way he demonstrated that Isaac was heir to God’s covenant promises (21:1-7; cf. 17:9-14).Ishmael made fun of the covenant family, as Sarah had feared. Being the son of a slave-girl, Ishmael had the right to inherit some of Abraham’s wealth, but he could surrender this right in exchange for the freedom of himself and his mother. Sarah, determined that her son should be the sole heir, tried to persuade... read more
Joseph Benson's Commentary of the Old and New Testaments - Genesis 21:13
Genesis 21:13. The casting out of Ishmael was not his ruin. He shall be a nation because he is thy seed We are not sure that it was his eternal ruin. It is presumption to say, that all those who are left out of the external dispensation of God’s covenant are excluded from his spiritual mercies. Those may be saved who are not thus honoured. read more