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. Arise, walk through the length and the breadth of the land, for I will give it to you." - : English Standard Version

Later in a passage called the covenant of the pieces, Genesis 15:18-21