What does the Bible say about Abraham's promise?

In Genesis 13:14-18, God promises Abraham all the land he can see and that his descendants will be as numerous as the dust of the earth. This promise extends beyond the physical land of Canaan, indicating a divine commitment that includes not just Israel but the entire world as an inheritance for Abraham's spiritual descendants. Romans 4:13 clarifies that this promise was given through faith and not the law, affirming that believers are heirs to these promises as the spiritual offspring of Abraham, ultimately receiving the eternal glories of heaven and the new earth.