Genesis 21

Genesis 21

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The Birth of Isaac

21 The LORD visited Sarah as he had said, and the LORD did to Sarah as he had promised. And Sarah conceived and bore Abraham a son in his old age at the time of which God had spoken to him. Abraham called the name of his son who was born to him, whom Sarah bore him, Isaac. And Abraham circumcised his son Isaac when he was eight days old, as God had commanded him. Abraham was a hundred years old when his son Isaac was born to him. And Sarah said, “God has made laughter for me; everyone who hears will laugh over me.” And she said, “Who would have said to Abraham that Sarah would nurse children? Yet I have borne him a son in his old age.”

God Protects Hagar and Ishmael

And the child grew and was weaned. And Abraham made a great feast on the day that Isaac was weaned. But Sarah saw the son of Hagar the Egyptian, whom she had borne to Abraham, laughing. So she said to Abraham, “Cast out this slave woman with her son, for the son of this slave woman shall not be heir with my son Isaac.” And the thing was very displeasing to Abraham on account of his son. But God said to Abraham, “Be not displeased because of the boy and because of your slave woman. Whatever Sarah says to you, do as she tells you, for through Isaac shall your offspring be named. And I will make a nation of the son of the slave woman also, because he is your offspring.” So Abraham rose early in the morning and took bread and a skin of water and gave it to Hagar, putting it on her shoulder, along with the child, and sent her away. And she departed and wandered in the wilderness of Beersheba.

When the water in the skin was gone, she put the child under one of the bushes. Then she went and sat down opposite him a good way off, about the distance of a bowshot, for she said, “Let me not look on the death of the child.” And as she sat opposite him, she lifted up her voice and wept. And God heard the voice of the boy, and the angel of God called to Hagar from heaven and said to her, “What troubles you, Hagar? Fear not, for God has heard the voice of the boy where he is. Up! Lift up the boy, and hold him fast with your hand, for I will make him into a great nation.” Then God opened her eyes, and she saw a well of water. And she went and filled the skin with water and gave the boy a drink. And God was with the boy, and he grew up. He lived in the wilderness and became an expert with the bow. He lived in the wilderness of Paran, and his mother took a wife for him from the land of Egypt.

A Treaty with Abimelech

At that time Abimelech and Phicol the commander of his army said to Abraham, “God is with you in all that you do. Now therefore swear to me here by God that you will not deal falsely with me or with my descendants or with my posterity, but as I have dealt kindly with you, so you will deal with me and with the land where you have sojourned.” And Abraham said, “I will swear.”

When Abraham reproved Abimelech about a well of water that Abimelech’s servants had seized, Abimelech said, “I do not know who has done this thing; you did not tell me, and I have not heard of it until today.” So Abraham took sheep and oxen and gave them to Abimelech, and the two men made a covenant. Abraham set seven ewe lambs of the flock apart. And Abimelech said to Abraham, “What is the meaning of these seven ewe lambs that you have set apart?” He said, “These seven ewe lambs you will take from my hand, that this may be a witness for me that I dug this well.” Therefore that place was called Beersheba, because there both of them swore an oath. So they made a covenant at Beersheba. Then Abimelech and Phicol the commander of his army rose up and returned to the land of the Philistines. Abraham planted a tamarisk tree in Beersheba and called there on the name of the LORD, the Everlasting God. And Abraham sojourned many days in the land of the Philistines.

(ESV)


Genesis 21 Commentary

by Hank Workman

God is faithful.

After repeated promises of the impossible from God to Abraham; after visits from angels; after a visit from God Himself; after Sarah laughed at the probability – God brought Abraham and Sarah a son.

It took a full 25 years for this promise to come! It wasn’t because Abraham was so obedient, as we’ve seen he’s struggled with his own issues, but God was faithful to His Word and promise.

This is something we must hold onto. The long-awaited promise of a child and waiting for this to take place for Abraham was agonizing on so many levels. But in the process, God was revealing Himself in ways to Abraham that would have never been learned any other way. God was showing Himself above and beyond the scope of man’s thoughts and revealing His character, but more importantly, doing a work in Abraham himself.

We all have things in our lives where this story resonates. In fact, some may actually right now be feeling as though you’re waiting for something to happen that you felt was promised. Having stood there many times, and yes standing there now even on some levels; it’s easy to become discouraged. It’s easy to question what we believe. It’s easy to wonder if we actually heard from God on the matter. Hold tight to the promises He’s given you, even if you don’t see any movement. Cling to the words of God in those doubts that bombard as reality of whatever you’re facing overrides the faith required. Hope beyond the present toward the future and what He has promised. He is doing a work in you through this. He is readying a greater work for His amazing glory when the time is right.

God is faithful. He will move and will act and will fulfill His Word.


Genesis 21 Commentary

by Brad Boyles

In previous chapters, we may have been tempted to wonder, “Why has God stuck with Abraham for so long?” Commentators and scholars have wondered why the Bible is so brutally honest about the struggles of this prominent patriarch. I had mentioned in the previous chapters of how some were quick to defend Abraham and justify his failures. Finally, in Genesis 21, we read of God’s fulfilled promise to Abraham and Sarah.

If we look at the big picture, we see a flawed man who couldn’t hold up his end of the deal. God had expectations. Abraham met some of them. It was by faith he left behind everything and traveled into new land to trust God. But we also read he began to struggle with fear. His faith wavered and he made terrible decisions that damaged his witness and character. Yet, even after all that, God was faithful to what He promised. Why?

The Bible does this often. Most character studies in Scripture involve humanity wrestling with understanding and trusting God. Is not the same true for us? Was God faithful to Abraham because Abraham was faithful to God? Not really. The same is true for much of the Old and New Testaments. The Bible is clear that the men and women who were called by God may have made some miraculous decisions of faith, but they also failed much of the time. They questioned God and tried to take control of their situations in their own strength. Yet, God was still faithful.

Let that sink in for a moment.

God is not faithful because we have been obedient. He is faithful so we can walk in obedience.

We can’t know what obedience looks like without experiencing God’s love. We can’t fully understand a love relationship with God without grace. We can’t live out our calling without His power.

It’s not about us. It’s about Him.

Abraham’s story is not unique. His journey has taught him that his power is unfaithful and God’s power is always faithful. We say we will follow and we don’t. God says He will provide and He does. We say we love Him and we prove otherwise. He says He loves us and then sends Jesus to the cross. Which is greater… my love for God or His love for me? If we truly see God’s character, how can we not be changed forever?

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