'Eternal' in the Bible

And when he had been made complete, he became the giver of eternal salvation to all those who are under his orders;

And has gone once and for ever into the holy place, having got eternal salvation, not through the blood of goats and young oxen, but through his blood.

And for this cause it is through him that a new agreement has come into being, so that after the errors under the first agreement had been taken away by his death, the word of God might have effect for those who were marked out for an eternal heritage.

Now may the God of peace, who made that great keeper of his flock, even our Lord Jesus, come back from the dead through the blood of the eternal agreement,