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21. The Birth of Isaac

1 Now the LORD was gracious to Sarah as he had said, and the LORD did for Sarah what he had promised. 2 Sarah became pregnant and bore a son to Abraham in his old age, at the very time God had promised him. 3 Abraham gave the name Isaac Isaac means he laughs. to the son Sarah bore him. 4 When his son Isaac was eight days old, Abraham circumcised him, as God commanded him. 5 Abraham was a hundred years old when his son Isaac was born to him.

    6 Sarah said, “God has brought me laughter, and everyone who hears about this will laugh with me.” 7 And she added, “Who would have said to Abraham that Sarah would nurse children? Yet I have borne him a son in his old age.”

Hagar and Ishmael Sent Away

    8 The child grew and was weaned, and on the day Isaac was weaned Abraham held a great feast. 9 But Sarah saw that the son whom Hagar the Egyptian had borne to Abraham was mocking, 10 and she said to Abraham, “Get rid of that slave woman and her son, for that woman’s son will never share in the inheritance with my son Isaac.”

    11 The matter distressed Abraham greatly because it concerned his son. 12 But God said to him, “Do not be so distressed about the boy and your slave woman. Listen to whatever Sarah tells you, because it is through Isaac that your offspring Or seed will be reckoned. 13 I will make the son of the slave into a nation also, because he is your offspring.”

    14 Early the next morning Abraham took some food and a skin of water and gave them to Hagar. He set them on her shoulders and then sent her off with the boy. She went on her way and wandered in the Desert of Beersheba.

    15 When the water in the skin was gone, she put the boy under one of the bushes. 16 Then she went off and sat down about a bowshot away, for she thought, “I cannot watch the boy die.” And as she sat there, she Hebrew; Septuagint the child began to sob.

    17 God heard the boy crying, and the angel of God called to Hagar from heaven and said to her, “What is the matter, Hagar? Do not be afraid; God has heard the boy crying as he lies there. 18 Lift the boy up and take him by the hand, for I will make him into a great nation.”

    19 Then God opened her eyes and she saw a well of water. So she went and filled the skin with water and gave the boy a drink.

    20 God was with the boy as he grew up. He lived in the desert and became an archer. 21 While he was living in the Desert of Paran, his mother got a wife for him from Egypt.

The Treaty at Beersheba

    22 At that time Abimelek and Phicol the commander of his forces said to Abraham, “God is with you in everything you do. 23 Now swear to me here before God that you will not deal falsely with me or my children or my descendants. Show to me and the country where you now reside as a foreigner the same kindness I have shown to you.”

    24 Abraham said, “I swear it.”

    25 Then Abraham complained to Abimelek about a well of water that Abimelek’s servants had seized. 26 But Abimelek said, “I don’t know who has done this. You did not tell me, and I heard about it only today.”

    27 So Abraham brought sheep and cattle and gave them to Abimelek, and the two men made a treaty. 28 Abraham set apart seven ewe lambs from the flock, 29 and Abimelek asked Abraham, “What is the meaning of these seven ewe lambs you have set apart by themselves?”

    30 He replied, “Accept these seven lambs from my hand as a witness that I dug this well.”

    31 So that place was called Beersheba, Beersheba can mean well of seven and well of the oath. because the two men swore an oath there.

    32 After the treaty had been made at Beersheba, Abimelek and Phicol the commander of his forces returned to the land of the Philistines. 33 Abraham planted a tamarisk tree in Beersheba, and there he called on the name of the LORD, the Eternal God. 34 And Abraham stayed in the land of the Philistines for a long time.


9. And Sarah saw the son of Hagar. As the verb to laugh has a twofold signification among the Latins, so also the Hebrews use, both in a good and evil sense, the verb from which the participle מצחק (metsachaik) is derived. That it was not a childish and innoxious laughter, appears from the indignation of Sarah. It was, therefore a malignant expression of scorn, by which the forward youth manifested his contempt for his infant brother. And it is to be observed, that the epithet which is here applied to Ishmael, and the name Isaac, are both derived from the same root. Isaac was, to his father and others, the occasion of holy and lawful laughter; whence also, the name was divinely imposed upon him. Ishmael turns the blessing of God, from which such joy flowed, into ridicule. Therefore, as an impious mocker, he stands opposed to his brother Isaac. Both (so to speak) are the sons of laughter: but in a very different sense. Isaac brought laughter with him from his mother’s womb, since he bore, — engraven upon him, — the certain token of God’s grace. He therefore so exhilarates his father’s house, that joy breaks forth in thanksgiving; but Ishmael, with canine and profane laughter, attempts to destroy that holy joy of faith. And there is no doubt that his manifest impiety against God, betrayed itself under this ridicule. He had reached an age at which he could not, by any means be ignorant of the promised favor, on account of which his father Abraham was transported with so great joy: and yet — proudly confident in himself — he insults, in the person of his brother, both God and his word, as well as the faith of Abraham. Wherefore it was not without cause that Sarah was so vehemently angry with him, that she commanded him to be driven into exile. For nothing is more grievous to a holy mind, than to see the grace of God exposed to ridicule. And this is the reason why Paul calls his laughter persecution; saying,

‘He who was after the flesh persecuted the spiritual seed.’ (Galatians 4:29.)

Was it with sword or violence? Nay, but with the scorn of the virulent tongue, which does not injure the body, but pierces into the very soul. Moses might indeed have aggravated his crime by a multiplicity of words; but I think that he designedly spoke thus concisely, in order to render the petulance with which Ishmael ridicules the word of God the more detestable.

10. Cast out this bondwoman. Not only is Sarah exasperated against the transgressor, but she seems to act more imperiously towards her husband than was becoming in a modest wife. Peter shows, that when, on a previous occasion, she called Abraham lord, she did not do so feignedly; since he proposes her, as an example of voluntary subjection, to pious and chaste matrons. (1 Peter 3:6.) But now, she not only usurps the government of the house, by calling her husband to order, but commands him whom she ought to reverence, to be obedient to her will. Here, although I do not deny that Sarah, being moved by womanly feelings, exceeded the bounds of moderation, I yet do not doubt, both that her tongue and mind were governed by a secret impulse of the Spirit, and that this whole affair was directed by the providence of God. Without controversy, she was the minister of great and tremendous judgment. And Paul adduces this expression, not as a futile reproach, which an enraged woman had poured forth, but as a celestial oracle. But although she sustains a higher character than that of a private woman, yet she does not take from her husband his power; but makes him the lawful director of the ejection.

11. And the thing was very grievous in Abraham’s sight. Although Abraham had been already assured, by many oracles, that the blessed seed should proceed from Isaac only; yet, under the influence of paternal affection, he could not bear that Ishmael should be cut off, for the purpose of causing the inheritance to remain entire to him, to whom it had been divinely granted; and thus, by mingling two races, he endeavored, as far as he was able, to confound the distinction which God had made. It may truly seem absurd, that the servant of God should thus be carried away by a blind impulse: but God thus deprives him of judgment, not only to humble him, but also to testify to all ages, that the dispensing of his grace depends upon his own will alone. Moreover, in order that the holy man may bear, with greater equanimity, the departure of his son, a double consolation is promised him. For, first, God recalls to his memory the promise made concerning Isaac; as if he would say, it is enough and more than enough, that Isaac, in whom the spiritual benediction remains entire, is left. He then promises that he will take care of Ishmael, though exiled from his paternal home; and that a posterity shall arise from him which shall constitute a whole nation. But I have explained above, on the seventeenth chapter (Genesis 17:1,) what is the meaning of the expression, ‘The seed shall be called in Isaac.’ And Paul, (Romans 9:8,) by way of interpretation, uses the word reckoned, or imputed.436436     Ponit verbum λογίζεσθαι, hoc est, censeri vel reputari.” And it is certain that, by this method, the other son was cut off from the family of Abraham; so that he should no more have a name among his posterity. For God, having severed Ishmael, shows that the whole progeny of Abraham should flow from one head. He promises also to Ishmael, that he shall be a nations but estranged from the Church; so that the condition of the brothers shall, in this respect, be different; that one is constituted the father of a spiritual people, to the other is given a carnal seed. Whence Paul justly infers, that not all who are the seed of Abraham are true and genuine sons; but they only who are born of the Spirit. For as Isaac himself became the legitimate son by a gratuitous promise, so the same grace of God makes a difference among his descendants. But because we have sufficiently treated of the various sons of Abraham on the seventeenth chapter, the subject is now more sparingly alluded to.

12. In all that Sarah hath said unto thee. I have just said that although God used the ministry of Sarah in so great a matter, it was yet possible that she might fail in her method of acting. He now commands Abraham to hearken unto his wife, not because he approves her disposition, but because he will have the work, of which he is Himself the Author, accomplished. And he thus shows that his designs are not to be subjected to any common rule, especially when the salvation of the Church is concerned. For he purposely inverts the accustomed order of nature, in order that he may prove himself to be the Author and the Perfecter of Isaac’s vocation. But because I have before declared, that this history is more profoundly considered by Paul, the sum of it is here briefly to be collected. In the first place, he says, that what is here read, was written allegorically: not that he wishes all histories, indiscriminately to be tortured to an allegorical sense, as Origin does; who by hunting everywhere for allegories, corrupts the whole Scripture; and others, too eagerly emulating his example, have extracted smoke out of light. And not only has the simplicity of Scripture been vitiated, but the faith has been almost subverted, and the door opened to many foolish dotings. The design of Paul was, to raise the minds of the pious to consider the secret work of God, in this history; as if he had said, What Moses relates concerning the house of Abraham, belongs to the spiritual kingdom of Christ; since, certainly, that house was a lively image of the Church. This, however, is the allegorical similitude which Paul commends. Whereas two sons were born to Abraham, the one by a handmaid, the other by a free woman; he infers, that there are two kinds of persons born in the Church; the faithful, whom God endues with the Spirit of adoption, that they may enjoy the inheritance; and hypocritical disciples, who feign themselves to be what they are not, and usurp, for a time, a name and place among the sons of God. He therefore teaches, that there are certain who are conceived and born in a servile manner; but others, as from a freeborn mother. He then proceeds to say, that the sons of Hagar are they who are generated by the servile doctrine of the Law; but that they who, having embraced, by faith, gratuitous adoption, are born through the doctrine of the Gospel, are the sons of the free woman. At length he descends to another similitudes in which he compares Hagar with mount Sinai, but Sarah with the heavenly Jerusalem. And although I here allude in few words to those things which my readers will find copiously expounded by me, in the fourth chapter to the Galatians Galatians 4:1; yet, in this short explanation, it is made perfectly clear what Paul designs to teach. We know that the true sons of God are born of the incorruptible seed of the word: but when the Spirit, which gives life to the doctrine of the Law and the Prophets, is taken away, and the dead letter alone remains, then that seed is so corrupted, that only adulterous sons are born in a state of slavery; yet because they are apparently born of the word of God, though corrupted, they are, in a sense, the sons of God. Meanwhile, none are lawful heirs, except those whom the Church brings forth into liberty, being conceived by the incorruptible seed of the gospel. I have said, however, that in these two persons is represented the perpetual condition of the Church. For hypocrites not only mingle with the sons of God in the Church, but despise them, and proudly appropriate to themselves all the rights and honors of the Church. And as Ishmael, inflated with the vain title of primogeniture, harassed his brother Isaac with his taunts; so these men, relying on their own splendor, reproachfully assail and ridicule the true faith of the simple: because, by arrogating all things to themselves, they leave nothing to the grace of God. Hence we are admonished, that none have a well-grounded confidence of salvation, but they who, being called freely, regard the mercy of God as their whole dignity. Again, the Spirit furnishes the consciences of the pious with strong and effective weapons against the ferociousness of those who, under a false pretext, boast that they are the Church. We see that it is no new thing, for persons who are nothing but hypocrites to occupy the chief place in the Church at God. Wherefore, while at this day, the Papists proudly exult, there is no reason why we should be disturbed by their empty and inflated boasts. As to their glorying in their long succession, it just means as much as if Ishmael were proclaiming himself the firstborn. It is, therefore necessary to discriminate between the true and the hypocritical Church. Paul describes a mark, which they are never able, with their cavils, to obliterate. For as large bottles are broken with a slight blast; so by this single word, all their glory is extinguished, ‘the sons of the handmaid shall not be eternal inheritors.’ In the meantime their insolence is to be patiently borne, so long as God shall loosen the rein to their tyranny. For the Apostles, formerly, were oppressed by the Jewish hypocrites of their age, with the same reproaches which these men now cast upon us. In the same way, Ishmael triumphed over Isaac, as if he had obtained the victory. Wherefore, we must not wonder, if our own age also has its Ishmaelites. But lest such indignity should break our spirits, let this consolation perpetually occur to us, that they who hold the preeminence in the Church, will not always remain within it.

14. And Abraham rose up early. How painful was the wound, which the ejection of his firstborn son inflicted upon the mind of the holy man, we may gather from the double consolation with which God mitigated his grief: He sends his son into banishments just as if he were tearing out his own bowels. But being accustomed to obey God, he brings into subjection the paternal love, which he is not able wholly to cast aside. This is the true test of faith and piety, when the faithful are so far compelled to deny themselves, that they even resign the very affections of their original nature, which are neither evil nor vicious in themselves, to the will of God. There is no doubt that, during the whole night, he had been tossed with various cares; that he had a variety of internal conflicts, and endured severe torments; yet he arose early in the morning, to hasten his separation from his child; since he knew that it was the will of God.

And took bread, and a bottle of water. Moses intimates not only that Abraham committed his son to the care of his mother, but that he relinquished his own paternal right over him; for it was necessary for this son to be alienated, that he might not afterwards be accounted the seed of Abraham. But with what a slender provision does he endow his wife and her son? He places a flagon of water and bread upon her shoulder. Why does he not, at least, load an ass with a moderate supply of food? Why does he not add one of his servants, of which his house contained plenty, as a companion? Truly either God shut his eyes, that, what he would gladly have done, might not come into his mind; or Abraham limited her provision, in order that she might not go far from his house. For doubtless he would prefer to have them near himself, for the purpose of rendering them such assistance as they would need. Meanwhile, God designed that the banishment of Ishmael should be thus severe and sorrowful; in order that, by his example, he might strike terror into the proud, who, being intoxicated with present gifts, trample under foot, in their haughtiness, the very grace to which they are indebted for all things. Therefore he brought the mother and child to a distressing issue. For after they have wandered into the desert, the water fails; and the mother departs from her son; which was a token of despair. Such was the reward of the pride, by which they had been vainly inflated. It had been their duty humbly to embrace the grace of God offered to all people, in the person of Isaac: but they impiously spurned him whom God had exalted to the highest honor. The knowledge of God’s gifts ought to have formed their minds to modesty. And because nothing was more desirable for them, than to retain some corner in Abraham’s house, they ought not to have shrunk from any kind of subjection, for the sake of so great a benefit: God now exacts from them the punishment, which they had deserved, by their ingratitude.


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