INTRODUCTION:  God’s covenant with Abraham shows us how God establishes a relationship with man.  As He does with the Jewish people, God will always keep His promises to man.  This is why we are eternally secure in our salvation.

1. ABRAHAM BELIEVED IN GOD (Genesis 15:1-6 [1] After these things the word of the LORD came unto Abram in a vision, saying, Fear not, Abram: I am thy shield, and thy exceeding great reward. [2] And Abram said, LORD God, what wilt thou give me, seeing I go childless, and the steward of my house is this Eliezer of Damascus? [3] And Abram said, Behold, to me thou hast given no seed: and, lo, one born in my house is mine heir. [4] And, behold, the word of the LORD came unto him, saying, This shall not be thine heir; but he that shall come forth out of thine own bowels shall be thine heir. [5] And he brought him forth abroad, and said, Look now toward heaven, and tell the stars, if thou be able to number them: and he said unto him, So shall thy seed be. [6] And he believed in the LORD; and he counted it to him for righteousness.
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1. God Appears to Abram (Genesis 15:1After these things the word of the LORD came unto Abram in a vision, saying, Fear not, Abram: I am thy shield, and thy exceeding great reward.
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1. I am thy shield.
2. I am thy exceeding great reward.
2. Abram Reminds God of the Promised Seed (Genesis 15:2-3 [2] And Abram said, LORD God, what wilt thou give me, seeing I go childless, and the steward of my house is this Eliezer of Damascus? [3] And Abram said, Behold, to me thou hast given no seed: and, lo, one born in my house is mine heir.
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3. God Renews His Promise (Genesis 15:4-5 [4] And, behold, the word of the LORD came unto him, saying, This shall not be thine heir; but he that shall come forth out of thine own bowels shall be thine heir. [5] And he brought him forth abroad, and said, Look now toward heaven, and tell the stars, if thou be able to number them: and he said unto him, So shall thy seed be.
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1. Of a son (Genesis 15:4And, behold, the word of the LORD came unto him, saying, This shall not be thine heir; but he that shall come forth out of thine own bowels shall be thine heir.
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2. Of a seed as the stars of heaven (Genesis 15:5And he brought him forth abroad, and said, Look now toward heaven, and tell the stars, if thou be able to number them: and he said unto him, So shall thy seed be.
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4. Abram Believes in the Lord (Genesis 15:6And he believed in the LORD; and he counted it to him for righteousness.
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1. He believes in the promise of God.
2. Abraham receives an imputed righteousness because of his faith in God (Romans 4:4-6 [4] Now to him that worketh is the reward not reckoned of grace, but of debt. [5] But to him that worketh not, but believeth on him that justifieth the ungodly, his faith is counted for righteousness. [6] Even as David also describeth the blessedness of the man, unto whom God imputeth righteousness without works,
   See All..., 9, 20-25; Galatians 3:6-14 [6] Even as Abraham believed God, and it was accounted to him for righteousness. [7] Know ye therefore that they which are of faith, the same are the children of Abraham. [8] And the scripture, foreseeing that God would justify the heathen through faith, preached before the gospel unto Abraham, saying, In thee shall all nations be blessed. [9] So then they which be of faith are blessed with faithful Abraham. [10] For as many as are of the works of the law are under the curse: for it is written, Cursed is every one that continueth not in all things which are written in the book of the law to do them. [11] But that no man is justified by the law in the sight of God, it is evident: for, The just shall live by faith. [12] And the law is not of faith: but, The man that doeth them shall live in them. [13] Christ hath redeemed us from the curse of the law, being made a curse for us: for it is written, Cursed is every one that hangeth on a tree: [14] That the blessing of Abraham might come on the Gentiles through Jesus Christ; that we might receive the promise of the Spirit through faith.
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3. As such, he is the father to all who believe in this dispensation.
4. All who are saved today are the spiritual children of Abraham.
2. GOD ESTABLISHES HIS COVENANT (Genesis 15:7-21 [7] And he said unto him, I am the LORD that brought thee out of Ur of the Chaldees, to give thee this land to inherit it. [8] And he said, LORD God, whereby shall I know that I shall inherit it? [9] And he said unto him, Take me an heifer of three years old, and a she goat of three years old, and a ram of three years old, and a turtledove, and a young pigeon. [10] And he took unto him all these, and divided them in the midst, and laid each piece one against another: but the birds divided he not. [11] And when the fowls came down upon the carcases, Abram drove them away. [12] And when the sun was going down, a deep sleep fell upon Abram; and, lo, an horror of great darkness fell upon him. [13] And he said unto Abram, Know of a surety that thy seed shall be a stranger in a land that is not their's, and shall serve them; and they shall afflict them four hundred years; [14] And also that nation, whom they shall serve, will I judge: and afterward shall they come out with great substance. [15] And thou shalt go to thy fathers in peace; thou shalt be buried in a good old age. [16] But in the fourth generation they shall come hither again: for the iniquity of the Amorites is not yet full. [17] And it came to pass, that, when the sun went down, and it was dark, behold a smoking furnace, and a burning lamp that passed between those pieces. [18] In the same day the LORD made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates: [19] The Kenites, and the Kenizzites, and the Kadmonites, [20] And the Hittites, and the Perizzites, and the Rephaims, [21] And the Amorites, and the Canaanites, and the Girgashites, and the Jebusites.
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1. Abram Asks for Evidence of the Promise (Genesis 15:7-8 [7] And he said unto him, I am the LORD that brought thee out of Ur of the Chaldees, to give thee this land to inherit it. [8] And he said, LORD God, whereby shall I know that I shall inherit it?
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2. God Requires a Sacrifice to be Made (Genesis 15:9-11 [9] And he said unto him, Take me an heifer of three years old, and a she goat of three years old, and a ram of three years old, and a turtledove, and a young pigeon. [10] And he took unto him all these, and divided them in the midst, and laid each piece one against another: but the birds divided he not. [11] And when the fowls came down upon the carcases, Abram drove them away.
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1. An heifer, a she goat, a ram, a turtledove and a pigeon (Genesis 15:9And he said unto him, Take me an heifer of three years old, and a she goat of three years old, and a ram of three years old, and a turtledove, and a young pigeon.
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2. To be divided with a walkway between them (Genesis 15:10And he took unto him all these, and divided them in the midst, and laid each piece one against another: but the birds divided he not.
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3. NOTE: This type of covenant, where two parties walk between a divided sacrifice, is referred to in Jeremiah 34:18-19 [18] And I will give the men that have transgressed my covenant, which have not performed the words of the covenant which they had made before me, when they cut the calf in twain, and passed between the parts thereof, [19] The princes of Judah, and the princes of Jerusalem, the eunuchs, and the priests, and all the people of the land, which passed between the parts of the calf;
   See All....  The difference here is that God passed between the pieces by Himself without Abram.  This indicates that this was an unconditional covenant.  God would fulfill it, no matter how unfaithful Abram and his seed might be.
4. Abram drove the birds away from the sacrifice (Genesis 15:11And when the fowls came down upon the carcases, Abram drove them away.
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3. God Makes His Covenant with Abram (Genesis 15:12-17 [12] And when the sun was going down, a deep sleep fell upon Abram; and, lo, an horror of great darkness fell upon him. [13] And he said unto Abram, Know of a surety that thy seed shall be a stranger in a land that is not their's, and shall serve them; and they shall afflict them four hundred years; [14] And also that nation, whom they shall serve, will I judge: and afterward shall they come out with great substance. [15] And thou shalt go to thy fathers in peace; thou shalt be buried in a good old age. [16] But in the fourth generation they shall come hither again: for the iniquity of the Amorites is not yet full. [17] And it came to pass, that, when the sun went down, and it was dark, behold a smoking furnace, and a burning lamp that passed between those pieces.
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1. Abram goes into a deep sleep (Genesis 15:12And when the sun was going down, a deep sleep fell upon Abram; and, lo, an horror of great darkness fell upon him.
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2. God speaks unto Abram (Genesis 15:13-16 [13] And he said unto Abram, Know of a surety that thy seed shall be a stranger in a land that is not their's, and shall serve them; and they shall afflict them four hundred years; [14] And also that nation, whom they shall serve, will I judge: and afterward shall they come out with great substance. [15] And thou shalt go to thy fathers in peace; thou shalt be buried in a good old age. [16] But in the fourth generation they shall come hither again: for the iniquity of the Amorites is not yet full.
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1. About the sojourn of his seed in a strange land (Genesis 15:13-14 [13] And he said unto Abram, Know of a surety that thy seed shall be a stranger in a land that is not their's, and shall serve them; and they shall afflict them four hundred years; [14] And also that nation, whom they shall serve, will I judge: and afterward shall they come out with great substance.
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2. About the death of Abram in a good old age (Genesis 15:15And thou shalt go to thy fathers in peace; thou shalt be buried in a good old age.
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3. About the return of Abram’s seed to this land (Genesis 15:16But in the fourth generation they shall come hither again: for the iniquity of the Amorites is not yet full.
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1. In the fourth generation
2. When the iniquity of the Amorites is full
4. God passes between the pieces of the sacrifice (Genesis 15:17And it came to pass, that, when the sun went down, and it was dark, behold a smoking furnace, and a burning lamp that passed between those pieces.
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1. As a smoking furnace
2. As a burning lamp
4. God’s Covenant Describes Abram’s Inheritance (Genesis 15:18-21 [18] In the same day the LORD made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates: [19] The Kenites, and the Kenizzites, and the Kadmonites, [20] And the Hittites, and the Perizzites, and the Rephaims, [21] And the Amorites, and the Canaanites, and the Girgashites, and the Jebusites.
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1. The promise of the land (Genesis 15:18In the same day the LORD made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates:
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1. From the river of Egypt
2. To the Euphrates River
2. The nations to be conquered (Genesis 15:19-21 [19] The Kenites, and the Kenizzites, and the Kadmonites, [20] And the Hittites, and the Perizzites, and the Rephaims, [21] And the Amorites, and the Canaanites, and the Girgashites, and the Jebusites.
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3. ABRAHAM BEARS A SON OF WORKS (Genesis 16:1-16 [1] Now Sarai Abram's wife bare him no children: and she had an handmaid, an Egyptian, whose name was Hagar. [2] And Sarai said unto Abram, Behold now, the LORD hath restrained me from bearing: I pray thee, go in unto my maid; it may be that I may obtain children by her. And Abram hearkened to the voice of Sarai. [3] And Sarai Abram's wife took Hagar her maid the Egyptian, after Abram had dwelt ten years in the land of Canaan, and gave her to her husband Abram to be his wife. [4] And he went in unto Hagar, and she conceived: and when she saw that she had conceived, her mistress was despised in her eyes. [5] And Sarai said unto Abram, My wrong be upon thee: I have given my maid into thy bosom; and when she saw that she had conceived, I was despised in her eyes: the LORD judge between me and thee. [6] But Abram said unto Sarai, Behold, thy maid is in thine hand; do to her as it pleaseth thee. And when Sarai dealt hardly with her, she fled from her face. [7] And the angel of the LORD found her by a fountain of water in the wilderness, by the fountain in the way to Shur. [8] And he said, Hagar, Sarai's maid, whence camest thou? and whither wilt thou go? And she said, I flee from the face of my mistress Sarai. [9] And the angel of the LORD said unto her, Return to thy mistress, and submit thyself under her hands. [10] And the angel of the LORD said unto her, I will multiply thy seed exceedingly, that it shall not be numbered for multitude. [11] And the angel of the LORD said unto her, Behold, thou art with child and shalt bear a son, and shalt call his name Ishmael; because the LORD hath heard thy affliction. [12] And he will be a wild man; his hand will be against every man, and every man's hand against him; and he shall dwell in the presence of all his brethren. [13] And she called the name of the LORD that spake unto her, Thou God seest me: for she said, Have I also here looked after him that seeth me? [14] Wherefore the well was called Beerlahairoi; behold, it is between Kadesh and Bered. [15] And Hagar bare Abram a son: and Abram called his son's name, which Hagar bare, Ishmael. [16] And Abram was fourscore and six years old, when Hagar bare Ishmael to Abram.
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1. Sarai Gives Hagar to be Abram’s Wife (Genesis 16:1-3 [1] Now Sarai Abram's wife bare him no children: and she had an handmaid, an Egyptian, whose name was Hagar. [2] And Sarai said unto Abram, Behold now, the LORD hath restrained me from bearing: I pray thee, go in unto my maid; it may be that I may obtain children by her. And Abram hearkened to the voice of Sarai. [3] And Sarai Abram's wife took Hagar her maid the Egyptian, after Abram had dwelt ten years in the land of Canaan, and gave her to her husband Abram to be his wife.
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2. Hagar Is Hated of Sarai when She Conceives (Genesis 16:4-7 [4] And he went in unto Hagar, and she conceived: and when she saw that she had conceived, her mistress was despised in her eyes. [5] And Sarai said unto Abram, My wrong be upon thee: I have given my maid into thy bosom; and when she saw that she had conceived, I was despised in her eyes: the LORD judge between me and thee. [6] But Abram said unto Sarai, Behold, thy maid is in thine hand; do to her as it pleaseth thee. And when Sarai dealt hardly with her, she fled from her face. [7] And the angel of the LORD found her by a fountain of water in the wilderness, by the fountain in the way to Shur.
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1. Hagar despises Sarai because of the conception (Genesis 16:4-5 [4] And he went in unto Hagar, and she conceived: and when she saw that she had conceived, her mistress was despised in her eyes. [5] And Sarai said unto Abram, My wrong be upon thee: I have given my maid into thy bosom; and when she saw that she had conceived, I was despised in her eyes: the LORD judge between me and thee.
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2. Abram turns Hagar over to Sarai (Genesis 16:5-6 [5] And Sarai said unto Abram, My wrong be upon thee: I have given my maid into thy bosom; and when she saw that she had conceived, I was despised in her eyes: the LORD judge between me and thee. [6] But Abram said unto Sarai, Behold, thy maid is in thine hand; do to her as it pleaseth thee. And when Sarai dealt hardly with her, she fled from her face.
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3. Hagar flees from Sarai to the wilderness (Genesis 16:6-7 [6] But Abram said unto Sarai, Behold, thy maid is in thine hand; do to her as it pleaseth thee. And when Sarai dealt hardly with her, she fled from her face. [7] And the angel of the LORD found her by a fountain of water in the wilderness, by the fountain in the way to Shur.
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3. The Angel of the Lord Appears to Hagar (Genesis 16:8-14 [8] And he said, Hagar, Sarai's maid, whence camest thou? and whither wilt thou go? And she said, I flee from the face of my mistress Sarai. [9] And the angel of the LORD said unto her, Return to thy mistress, and submit thyself under her hands. [10] And the angel of the LORD said unto her, I will multiply thy seed exceedingly, that it shall not be numbered for multitude. [11] And the angel of the LORD said unto her, Behold, thou art with child and shalt bear a son, and shalt call his name Ishmael; because the LORD hath heard thy affliction. [12] And he will be a wild man; his hand will be against every man, and every man's hand against him; and he shall dwell in the presence of all his brethren. [13] And she called the name of the LORD that spake unto her, Thou God seest me: for she said, Have I also here looked after him that seeth me? [14] Wherefore the well was called Beerlahairoi; behold, it is between Kadesh and Bered.
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1. He commands her to return to Sarai (Genesis 16:8-9 [8] And he said, Hagar, Sarai's maid, whence camest thou? and whither wilt thou go? And she said, I flee from the face of my mistress Sarai. [9] And the angel of the LORD said unto her, Return to thy mistress, and submit thyself under her hands.
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2. He promises her that a great people will come of her son (Genesis 16:10-12 [10] And the angel of the LORD said unto her, I will multiply thy seed exceedingly, that it shall not be numbered for multitude. [11] And the angel of the LORD said unto her, Behold, thou art with child and shalt bear a son, and shalt call his name Ishmael; because the LORD hath heard thy affliction. [12] And he will be a wild man; his hand will be against every man, and every man's hand against him; and he shall dwell in the presence of all his brethren.
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1. Her seed will multiply (Genesis 16:10And the angel of the LORD said unto her, I will multiply thy seed exceedingly, that it shall not be numbered for multitude.
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2. Her son’s name will be Ishmael (Genesis 16:11And the angel of the LORD said unto her, Behold, thou art with child and shalt bear a son, and shalt call his name Ishmael; because the LORD hath heard thy affliction.
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3. Her son will be a wild man (Genesis 16:12And he will be a wild man; his hand will be against every man, and every man's hand against him; and he shall dwell in the presence of all his brethren.
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3. She called the name of the Lord, Thou God seest me (Genesis 16:13-14 [13] And she called the name of the LORD that spake unto her, Thou God seest me: for she said, Have I also here looked after him that seeth me? [14] Wherefore the well was called Beerlahairoi; behold, it is between Kadesh and Bered.
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4. A Son Is Born to Hagar (Genesis 16:15-16 [15] And Hagar bare Abram a son: and Abram called his son's name, which Hagar bare, Ishmael. [16] And Abram was fourscore and six years old, when Hagar bare Ishmael to Abram.
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1. His name is Ishmael (Genesis 16:15And Hagar bare Abram a son: and Abram called his son's name, which Hagar bare, Ishmael.
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2. Abram is 86 years old (Genesis 16:16And Abram was fourscore and six years old, when Hagar bare Ishmael to Abram.
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4. GOD RENEWS HIS COVENANT (Genesis 17:1-8 [1] And when Abram was ninety years old and nine, the LORD appeared to Abram, and said unto him, I am the Almighty God; walk before me, and be thou perfect. [2] And I will make my covenant between me and thee, and will multiply thee exceedingly. [3] And Abram fell on his face: and God talked with him, saying, [4] As for me, behold, my covenant is with thee, and thou shalt be a father of many nations. [5] Neither shall thy name any more be called Abram, but thy name shall be Abraham; for a father of many nations have I made thee. [6] And I will make thee exceeding fruitful, and I will make nations of thee, and kings shall come out of thee. [7] And I will establish my covenant between me and thee and thy seed after thee in their generations for an everlasting covenant, to be a God unto thee, and to thy seed after thee. [8] And I will give unto thee, and to thy seed after thee, the land wherein thou art a stranger, all the land of Canaan, for an everlasting possession; and I will be their God.
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1. God Appears to Abram (Genesis 17:1-2 [1] And when Abram was ninety years old and nine, the LORD appeared to Abram, and said unto him, I am the Almighty God; walk before me, and be thou perfect. [2] And I will make my covenant between me and thee, and will multiply thee exceedingly.
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1. When Abram is 99 years old (Genesis 17:1And when Abram was ninety years old and nine, the LORD appeared to Abram, and said unto him, I am the Almighty God; walk before me, and be thou perfect.
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2. He introduces Himself as the “Almighty God” (Genesis 17:1And when Abram was ninety years old and nine, the LORD appeared to Abram, and said unto him, I am the Almighty God; walk before me, and be thou perfect.
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3. He commands Abram (Genesis 17:1And when Abram was ninety years old and nine, the LORD appeared to Abram, and said unto him, I am the Almighty God; walk before me, and be thou perfect.
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1. To walk before Him
2. To be perfect
4. He renews His promises (Genesis 17:2And I will make my covenant between me and thee, and will multiply thee exceedingly.
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1. To keep His covenant
2. To multiply Abram
2. God Changes Abram’s Name (Genesis 17:3-5 [3] And Abram fell on his face: and God talked with him, saying, [4] As for me, behold, my covenant is with thee, and thou shalt be a father of many nations. [5] Neither shall thy name any more be called Abram, but thy name shall be Abraham; for a father of many nations have I made thee.
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1. From Abram (meaning exalted father)
2. To Abraham (meaning father of many nations)
3. God Restates His Promises to Abraham (Genesis 17:6-8 [6] And I will make thee exceeding fruitful, and I will make nations of thee, and kings shall come out of thee. [7] And I will establish my covenant between me and thee and thy seed after thee in their generations for an everlasting covenant, to be a God unto thee, and to thy seed after thee. [8] And I will give unto thee, and to thy seed after thee, the land wherein thou art a stranger, all the land of Canaan, for an everlasting possession; and I will be their God.
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1. An everlasting covenant (Genesis 17:6-7 [6] And I will make thee exceeding fruitful, and I will make nations of thee, and kings shall come out of thee. [7] And I will establish my covenant between me and thee and thy seed after thee in their generations for an everlasting covenant, to be a God unto thee, and to thy seed after thee.
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2. An everlasting possession (Genesis 17:8And I will give unto thee, and to thy seed after thee, the land wherein thou art a stranger, all the land of Canaan, for an everlasting possession; and I will be their God.
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5. THE TOKEN OF THE COVENANT (Genesis 17:9-27 [9] And God said unto Abraham, Thou shalt keep my covenant therefore, thou, and thy seed after thee in their generations. [10] This is my covenant, which ye shall keep, between me and you and thy seed after thee; Every man child among you shall be circumcised. [11] And ye shall circumcise the flesh of your foreskin; and it shall be a token of the covenant betwixt me and you. [12] And he that is eight days old shall be circumcised among you, every man child in your generations, he that is born in the house, or bought with money of any stranger, which is not of thy seed. [13] He that is born in thy house, and he that is bought with thy money, must needs be circumcised: and my covenant shall be in your flesh for an everlasting covenant. [14] And the uncircumcised man child whose flesh of his foreskin is not circumcised, that soul shall be cut off from his people; he hath broken my covenant. [15] And God said unto Abraham, As for Sarai thy wife, thou shalt not call her name Sarai, but Sarah shall her name be. [16] And I will bless her, and give thee a son also of her: yea, I will bless her, and she shall be a mother of nations; kings of people shall be of her. [17] Then Abraham fell upon his face, and laughed, and said in his heart, Shall a child be born unto him that is an hundred years old? and shall Sarah, that is ninety years old, bear? [18] And Abraham said unto God, O that Ishmael might live before thee! [19] And God said, Sarah thy wife shall bear thee a son indeed; and thou shalt call his name Isaac: and I will establish my covenant with him for an everlasting covenant, and with his seed after him. [20] And as for Ishmael, I have heard thee: Behold, I have blessed him, and will make him fruitful, and will multiply him exceedingly; twelve princes shall he beget, and I will make him a great nation. [21] But my covenant will I establish with Isaac, which Sarah shall bear unto thee at this set time in the next year. [22] And he left off talking with him, and God went up from Abraham. [23] And Abraham took Ishmael his son, and all that were born in his house, and all that were bought with his money, every male among the men of Abraham's house; and circumcised the flesh of their foreskin in the selfsame day, as God had said unto him. [24] And Abraham was ninety years old and nine, when he was circumcised in the flesh of his foreskin. [25] And Ishmael his son was thirteen years old, when he was circumcised in the flesh of his foreskin. [26] In the selfsame day was Abraham circumcised, and Ishmael his son. [27] And all the men of his house, born in the house, and bought with money of the stranger, were circumcised with him.
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1. All Men to be Circumcised the Eighth Day (Genesis 17:9-14 [9] And God said unto Abraham, Thou shalt keep my covenant therefore, thou, and thy seed after thee in their generations. [10] This is my covenant, which ye shall keep, between me and you and thy seed after thee; Every man child among you shall be circumcised. [11] And ye shall circumcise the flesh of your foreskin; and it shall be a token of the covenant betwixt me and you. [12] And he that is eight days old shall be circumcised among you, every man child in your generations, he that is born in the house, or bought with money of any stranger, which is not of thy seed. [13] He that is born in thy house, and he that is bought with thy money, must needs be circumcised: and my covenant shall be in your flesh for an everlasting covenant. [14] And the uncircumcised man child whose flesh of his foreskin is not circumcised, that soul shall be cut off from his people; he hath broken my covenant.
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2. God’s Blessing on Sarai (Genesis 17:15-22 [15] And God said unto Abraham, As for Sarai thy wife, thou shalt not call her name Sarai, but Sarah shall her name be. [16] And I will bless her, and give thee a son also of her: yea, I will bless her, and she shall be a mother of nations; kings of people shall be of her. [17] Then Abraham fell upon his face, and laughed, and said in his heart, Shall a child be born unto him that is an hundred years old? and shall Sarah, that is ninety years old, bear? [18] And Abraham said unto God, O that Ishmael might live before thee! [19] And God said, Sarah thy wife shall bear thee a son indeed; and thou shalt call his name Isaac: and I will establish my covenant with him for an everlasting covenant, and with his seed after him. [20] And as for Ishmael, I have heard thee: Behold, I have blessed him, and will make him fruitful, and will multiply him exceedingly; twelve princes shall he beget, and I will make him a great nation. [21] But my covenant will I establish with Isaac, which Sarah shall bear unto thee at this set time in the next year. [22] And he left off talking with him, and God went up from Abraham.
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1. Her name changed to Sarah (Genesis 17:15And God said unto Abraham, As for Sarai thy wife, thou shalt not call her name Sarai, but Sarah shall her name be.
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2. Sarah to bear a son (Genesis 17:16-19 [16] And I will bless her, and give thee a son also of her: yea, I will bless her, and she shall be a mother of nations; kings of people shall be of her. [17] Then Abraham fell upon his face, and laughed, and said in his heart, Shall a child be born unto him that is an hundred years old? and shall Sarah, that is ninety years old, bear? [18] And Abraham said unto God, O that Ishmael might live before thee! [19] And God said, Sarah thy wife shall bear thee a son indeed; and thou shalt call his name Isaac: and I will establish my covenant with him for an everlasting covenant, and with his seed after him.
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3. God’s blessing on Ishmael (Genesis 17:20And as for Ishmael, I have heard thee: Behold, I have blessed him, and will make him fruitful, and will multiply him exceedingly; twelve princes shall he beget, and I will make him a great nation.
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4. But the covenant  to be through Isaac (Genesis 17:21-22 [21] But my covenant will I establish with Isaac, which Sarah shall bear unto thee at this set time in the next year. [22] And he left off talking with him, and God went up from Abraham.
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3. Abraham and Ishmael Obey the Lord (Genesis 17:23-27 [23] And Abraham took Ishmael his son, and all that were born in his house, and all that were bought with his money, every male among the men of Abraham's house; and circumcised the flesh of their foreskin in the selfsame day, as God had said unto him. [24] And Abraham was ninety years old and nine, when he was circumcised in the flesh of his foreskin. [25] And Ishmael his son was thirteen years old, when he was circumcised in the flesh of his foreskin. [26] In the selfsame day was Abraham circumcised, and Ishmael his son. [27] And all the men of his house, born in the house, and bought with money of the stranger, were circumcised with him.
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CONCLUSION:  Have you believed in the death, burial and resurrection of Jesus Christ so that God can count it for righteousness (see 2 Corinthians 5:18-21 [18] And all things are of God, who hath reconciled us to himself by Jesus Christ, and hath given to us the ministry of reconciliation; [19] To wit, that God was in Christ, reconciling the world unto himself, not imputing their trespasses unto them; and hath committed unto us the word of reconciliation. [20] Now then we are ambassadors for Christ, as though God did beseech you by us: we pray you in Christ's stead, be ye reconciled to God. [21] For he hath made him to be sin for us, who knew no sin; that we might be made the righteousness of God in him.
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