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 28:14

28:14 Your descendants will be like the dust of the earth, and you will spread out to the west, east, north, and south. All the families of the earth will pronounce blessings on one another using your name and that of your descendants.