Genesis 13:16

13:16 And I will make your descendants like the dust of the earth, so that if anyone is able to count the dust of the earth, then your descendants also can be counted.

Genesis 15:5

15:5 The Lord took him outside and said, “Gaze into the sky and count the stars – if you are able to count them!” Then he said to him, “So will your descendants be.”

Genesis 15:18

15:18 That day the Lord made a covenant with Abram: “To your descendants I give this land, from the river of Egypt to the great river, the Euphrates River –

Genesis 17:4-8

17:4 “As for me, this is my covenant with you: You will be the father of a multitude of nations. 17:5 No longer will your name be Abram. Instead, your name will be Abraham because I will make you the father of a multitude of nations. 17:6 I will make you extremely fruitful. I will make nations of you, and kings will descend from you. 17:7 I will confirm my covenant as a perpetual covenant between me and you. It will extend to your descendants after you throughout their generations. I will be your God and the God of your descendants after you. 17:8 I will give the whole land of Canaan – the land where you are now residing – to you and your descendants after you as a permanent possession. I will be their God.”

Genesis 18:18

18:18 After all, Abraham will surely become a great and powerful nation, and all the nations on the earth will pronounce blessings on one another using his name.

Genesis 22:17

22:17 I will indeed bless you, and I will greatly multiply your descendants so that they will be as countless as the stars in the sky or the grains of sand on the seashore. Your descendants will take possession of the strongholds of their enemies.

Hebrews 11:2

11:2 For by it the people of old received God’s commendation.