15. If they were thinking about the country they had left, they could have gone back.
16. But they were waiting for a better country—a heavenly country. So God is not ashamed to be called their God. And he has prepared a city for them.
17-18. God tested Abraham’s faith. God told him to offer Isaac as a sacrifice. Abraham obeyed because he had faith. He already had the promises from God. And God had already said to him, “It is through Isaac that your descendants will come.” But Abraham was ready to offer his only son. He did this because he had faith.
19. He believed that God could raise people from death. And really, when God stopped Abraham from killing Isaac, it was as if he got him back from death.
20. Isaac blessed the future of Jacob and Esau. He did that because he had faith.