In the same way he took the cup after supper, saying, 'This cup means the new covenant ratified by my blood; as often as you drink it, do it in memory of me.'
and he has further qualified me to be the minister of a new covenant — a covenant not of written law but of spirit; for the written law kills but the Spirit makes alive.
He mediates a new covenant for this reason, that those who have been called may obtain the eternal inheritance they have been promised, now that a death has occurred which redeems them from the transgressions involved in the first covenant.