Promises are Inherited with Faith and Patience
 And we desire each one of you to show the same earnestness to have the full assurance of hope until the end,  so that you may not be sluggish, but imitators of those who through faith and patience inherit the promises.
Let us hold fast the confession of our hope without wavering, for he who promised is faithful.
Now faith is the assurance of things hoped for, the conviction of things not seen.
 For when God made a promise to Abraham, since he had no one greater by whom to swear, he swore by himself,  saying, “Surely I will bless you and multiply you.”  And thus Abraham, having patiently waited, obtained the promise.  For people swear by something greater than themselves, and in all their disputes an oath is final for confirmation.  So when God desired to show more convincingly to the heirs of the promise the unchangeable character of his purpose, he guaranteed it with an oath,  so that by two unchangeable things, in which it is impossible for God to lie, we who have fled for refuge might have strong encouragement to hold fast to the hope set before us.  We have this as a sure and steadfast anchor of the soul, a hope that enters into the inner place behind the curtain,  where Jesus has gone as a forerunner on our behalf, having become a high priest forever after the order of Melchizedek.
Abraham Inherited God’s Promises Through Faith and Patience
 and said, “By myself I have sworn, declares the LORD, because you have done this and have not withheld your son, your only son,  I will surely bless you, and I will surely multiply your offspring as the stars of heaven and as the sand that is on the seashore. And your offspring shall possess the gate of his enemies,  and in your offspring shall all the nations of the earth be blessed, because you have obeyed my voice.” (ESV)
 By faith Abraham, when he was tested, offered up Isaac, and he who had received the promises was in the act of offering up his only son,  of whom it was said, “Through Isaac shall your offspring be named.”  He considered that God was able even to raise him from the dead, from which, figuratively speaking, he did receive him back.
The Example of Abraham:
God Calls Abram
 Now the LORD said to Abram, “Go from your country and your kindred and your father’s house to the land that I will show you.  And I will make of you a great nation, and I will bless you and make your name great, so that you will be a blessing.  I will bless those who bless you, and him who dishonors you I will curse, and in you all the families of the earth shall be blessed.”  So Abram went, as the LORD had told him, and Lot went with him. Abram was seventy-five years old when he departed from Haran.
God Further Reveals His Promise to Abram
 The LORD said to Abram, after Lot had separated from him, “Lift up your eyes and look from the place where you are, northward and southward and eastward and westward,  for all the land that you see I will give to you and to your offspring forever.  I will make your offspring as the dust of the earth, so that if one can count the dust of the earth, your offspring also can be counted.
Abram Recognizes Melchizedek as God’s Priest
 And Melchizedek king of Salem brought out bread and wine. (He was priest of God Most High.)  And he blessed him and said, “Blessed be Abram by God Most High, Possessor of heaven and earth;  and blessed be God Most High, who has delivered your enemies into your hand!” And Abram gave him a tenth of everything.
God Makes a Formal Covenant with Abram
Genesis 15:2–6, 18
 But Abram said, “O Lord GOD, what will you give me, for I continue childless, and the heir of my house is Eliezer of Damascus?”  And Abram said, “Behold, you have given me no offspring, and a member of my household will be my heir.”  And behold, the word of the LORD came to him: “This man shall not be your heir; your very own son shall be your heir.”  And he brought him outside and said, “Look toward heaven, and number the stars, if you are able to number them.” Then he said to him, “So shall your offspring be.”  And he believed the LORD, and he counted it to him as righteousness.
…  On that day the LORD made a covenant with Abram, saying, “To your offspring I give this land, from the river of Egypt to the great river, the river Euphrates,
After 10 Years Abram Grows Impatient and Compromises
And Sarai said to Abram, “Behold now, the LORD has prevented me from bearing children. Go in to my servant; it may be that I shall obtain children by her.” And Abram listened to the voice of Sarai.
God Changes Abram’s Name to Abraham (Father of Many)
Genesis 17:4–8 
“Behold, my covenant is with you, and you shall be the father of a multitude of nations.  No longer shall your name be called Abram, but your name shall be Abraham, for I have made you the father of a multitude of nations.  I will make you exceedingly fruitful, and I will make you into nations, and kings shall come from you.  And I will establish my covenant between me and you and your offspring after you throughout their generations for an everlasting covenant, to be God to you and to your offspring after you.  And I will give to you and to your offspring after you the land of your sojournings, all the land of Canaan, for an everlasting possession, and I will be their God.”
God Give Abraham a Physical Sign of the Covenant (Circumcision)
 This is my covenant, which you shall keep, between me and you and your offspring after you: Every male among you shall be circumcised.  You shall be circumcised in the flesh of your foreskins, and it shall be a sign of the covenant between me and you.  He who is eight days old among you shall be circumcised. Every male throughout your generations, whether born in your house or bought with your money from any foreigner who is not of your offspring,  both he who is born in your house and he who is bought with your money, shall surely be circumcised. So shall my covenant be in your flesh an everlasting covenant.  Any uncircumcised male who is not circumcised in the flesh of his foreskin shall be cut off from his people; he has broken my covenant.” (ESV)
Abraham Questions and Seeks Compromise
 Then Abraham fell on his face and laughed and said to himself, “Shall a child be born to a man who is a hundred years old? Shall Sarah, who is ninety years old, bear a child?”  And Abraham said to God, “Oh that Ishmael might live before you!”  God said, “No, but Sarah your wife shall bear you a son, and you shall call his name Isaac. I will establish my covenant with him as an everlasting covenant for his offspring after him. (ESV)
God Gives Abraham a Son (Isaac)
Abraham was a hundred years old when his son Isaac was born to him.
Abraham Offered Up Isaac as a Sacrifice with Faith and Patience
 After these things God tested Abraham and said to him, “Abraham!” And he said, “Here I am.”  He said, “Take your son, your only son Isaac, whom you love, and go to the land of Moriah, and offer him there as a burnt offering on one of the mountains of which I shall tell you.”  So Abraham rose early in the morning, saddled his donkey, and took two of his young men with him, and his son Isaac. And he cut the wood for the burnt offering and arose and went to the place of which God had told him.  On the third day Abraham lifted up his eyes and saw the place from afar.  Then Abraham said to his young men, “Stay here with the donkey; I and the boy will go over there and worship and come again to you.”  And Abraham took the wood of the burnt offering and laid it on Isaac his son. And he took in his hand the fire and the knife. So they went both of them together.  And Isaac said to his father Abraham, “My father!” And he said, “Here I am, my son.” He said, “Behold, the fire and the wood, but where is the lamb for a burnt offering?”  Abraham said, “God will provide for himself the lamb for a burnt offering, my son.” So they went both of them together.
 When they came to the place of which God had told him, Abraham built the altar there and laid the wood in order and bound Isaac his son and laid him on the altar, on top of the wood.  Then Abraham reached out his hand and took the knife to slaughter his son.  But the angel of the LORD called to him from heaven and said, “Abraham, Abraham!” And he said, “Here I am.”  He said, “Do not lay your hand on the boy or do anything to him, for now I know that you fear God, seeing you have not withheld your son, your only son, from me.”  And Abraham lifted up his eyes and looked, and behold, behind him was a ram, caught in a thicket by his horns. And Abraham went and took the ram and offered it up as a burnt offering instead of his son.  So Abraham called the name of that place, “The LORD will provide”; as it is said to this day, “On the mount of the LORD it shall be provided.”
 And the angel of the LORD called to Abraham a second time from heaven  and said, “By myself I have sworn, declares the LORD, because you have done this and have not withheld your son, your only son,  I will surely bless you, and I will surely multiply your offspring as the stars of heaven and as the sand that is on the seashore. And your offspring shall possess the gate of his enemies,  and in your offspring shall all the nations of the earth be blessed, because you have obeyed my voice.” (ESV)