You are the children of the prophets and of the covenant that God made with your ancestors when he said to Abraham, ‘In your offspring all the families of the earth shall be blessed.’
It was not through the law that the promise was made to Abraham and his descendants that he would inherit the world, but through the righteousness that comes from faith.
Now the promises were made to Abraham and to his descendant. It does not say, “And to descendants,” as referring to many, but as referring to one, “And to your descendant,” who is Christ.
All these died in faith. They did not receive what had been promised but saw it and greeted it from afar and acknowledged themselves to be strangers and aliens on earth,