Ever lasting life with or without God.

In recent years science and technology have expolded. Technological advancement and scientific knolage will continue to extend the life and quality of that life of human kind on earth. Someday through genetics, biology and technology man will throw off the shadow of impending death. Whithout death, what will the masses belive? Is it the work of God or man? After living on earth 100,000 years in a far distant future, knowing you will never die, what would you belive?