I am quite sure I am an etrnal being. And not as a matter of faith. Although it isn't a matter of whether we have faith but we have faith in.
Think about it. Consider these facts. The energy of which we are, our conscious lucid being, is an aspect of a continuum; from quantum fluctuations, to the primordial soup, to galaxies with solar system with the planet terra on which life came forth capable of consciousness. To what due we owe this developmental process. Harmonics. To What adventure will this energy next ascend thru the continuance of harmonic interactions.