You religious wingnuts really crack me up.
Eternal
e·ter·nal
   /ɪˈtɜrnl/ Show Spelled[ih-tur-nl] Show IPA
adjective
1.
without beginning or end;
lasting forever; always existing ( opposed to temporal): eternal life.
2.
perpetual; ceaseless; endless: eternal quarreling; eternal chatter.
3.
enduring; immutable: eternal principles.
4.
Metaphysics . existing outside all relations of time; not subject to change.
im·mor·tal·i·ty
   /ˌɪmɔrˈtælɪti/ Show Spelled[im-awr-tal-i-tee] Show IPA
noun
1.
immortal condition or quality;
unending life.
2.
enduring fame.
You guys just decide on meanings of words to suit your warped sense of religion. What next? When god created the world in six days he was speaking metaphorically, right? Not literally?