You yourselves are the heirs of the Prophets, and heirs, too, of the Covenant which God made with your ancestors, when he said to Abraham--'In your descendants will all the nations of the earth be blessed.'
For they are Israelites, and theirs are the adoption as Sons, the visible Presence, the Covenants, the revealed Law, the Temple worship, and the Promises.
Now it was to Abraham that the promises were made, 'and to his offspring.' It was not said 'to his offsprings,' as if many persons were meant, but the words were 'to thy offspring,' showing that one person was meant--and that was Christ.
All these died sustained by faith. They did not obtain the promised blessings, but they saw them from a distance and welcomed the sight, and they acknowledged themselves to be only aliens and strangers on the earth.
It was this Melchizedek, King of Salem and Priest of the Most High God, who met Abraham returning from the slaughter of the kings, and gave him his blessing;