'Eternal' in the Bible

and being perfected, he became the source of eternal salvation to all those who obey him,

teaching about baptisms and laying on of hands, and resurrection of the dead and eternal judgment.

and not by the blood of goats and calves, but by his own blood, he entered once for all into the [most] holy place, obtaining eternal redemption.

how much more will the blood of Christ, who through the eternal Spirit offered himself without blemish to God, cleanse our consciences from dead works to serve [the] living God?

And because of this, he is the mediator of a new covenant, in order that, [because] a death has taken place for the redemption of transgressions [committed] during the first covenant, those who are the called may receive the promise of the eternal inheritance.

Now may the God of peace, who brought up from the dead our Lord Jesus, the great shepherd of the sheep, by the blood of the eternal covenant,