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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.

1. And the Lord visited Sarah. In this chapters not only is the nativity of Isaac related, but because, in his very birth, God has set before us a lively picture of his Church, Moses also gives a particular account of this matter. And first, he says that God visited Sarah, as he had promised. Because all offspring, flows from the kindness of God, as it is in the psalm,

‘The fruit of the womb is the gift of God;’ (Psalm 127:3;)

therefore the Lord is said, not without reason, to visit those, to whom he gives children. For although the foetus seems to be produced naturally, each from its own kind; there is yet no fecundity in animals, except so far as the Lord puts forth his own power, to fulfill what he has said, Increase and multiply. But in the propagation of the human race, his special benediction is conspicuous; and, therefore, the birth of every child is rightly deemed the effect of divine visitation. But Moses, in this place, looks higher, forasmuch as Isaac was born out of the accustomed course of nature.⁴³³⁴³³ Calvin here adds, “Nam communis gignendi ratio, et vis illa quam Dominus hominibus indidit, in Abraham et ejus uxore cessaverat.” Therefore Moses here commends that secret and unwonted power of God, which is superior to the law of nature; and not improperly, since it is of great consequence for us to know that the gratuitous kindness of God reigned, as well in the origin, as in the progress of the Church; and that the sons of God were not otherwise born, than from his mere mercy. And this is the reason why he did not make Abraham a father, till his body was nearly withered. It is also to be noticed, that Moses declares the visitation which he mentions, to be founded upon promise; ‘Jehovah visited Sarah, as he had promised.’ In these words he annexes the effect to its cause, in order that the special grace of God, of which an example is given in the birth of Isaac, might be the more perceptible. If he had barely said, that the Lord had respect unto Sarah, when she brought forth a son; some other cause might have been sought for. None, however, can doubt, that the promise, by which Isaac had been granted to his father Abraham, was gratuitous; since the child was the fruit of that adoption, which can be ascribed to nothing but the mere grace of God. Therefore, whoever wishes rightly and prudently to reflect upon the work of God, in the birth of Isaac, must necessarily begin with the promise. There is also great emphasis in the repetition, “The Lord did unto Sarah as he had spoken.” For he thus retains his readers, as by laying his hand upon them, that they may pause in the consideration of so great a miracle. Meanwhile, Moses commends the faithfulness of God; as if he had said he never feeds men with empty promises, nor is he less true in granting what he has promised, than he is liberal, and willing, in making the promise.

2. She bare Abraham a son. This is said according to the accustomed manner of speaking; because the woman is neither the head of a family, nor brings forth properly for herself, but for her husband. What follows, however, is more worthy of notice, In his old age, at the set time, which God had predicted: for the old age of Abraham does, not a little, illustrate the glory of the miracle. And now Moses, for the third time, recalls us to the word of God, that the constancy of his truth may always be present to our minds. And though the time had been predicted, alike to Abraham and to his wife, yet this honor is expressly attributed to the holy man; because the promise had been especially given on his account. Both, however, are distinctly mentioned in the context.