'Eternal' in the Bible

But whoever blasphemes against the Holy Spirit can never be forgiven, but is guilty of eternal sin."

As Jesus was setting out again, a man ran up to him, knelt down in front of him, and asked him, "Good Teacher, what must I do to inherit eternal life?"

who will not receive a hundred times as much here in this world homes, brothers, sisters, mothers, children, and fields, along with persecution as well as eternal life in the age to come.