1The ancient Greek philosopher Plato believed in the immortality of the soul.
2Is it possible for humans to achieve immortality through advances in medical technology?
3The legend of the phoenix has been a symbol of immortality in many cultures throughout history.
4The pursuit of immortality has driven many scientists to explore the frontiers of genetic engineering.
5In some spiritual traditions, the goal of spiritual practice is to attain immortality or union with a higher power.