This document summarizes a presentation by Ray Kurzweil on the future of humanity through technological advancements like slowing aging, reprogramming biology, and creating digital brain interfaces. It then discusses post-Enlightenment views of what it means to be human, focusing on instrumental rationality and the autonomous self. Alternative Christian perspectives are offered that consider eschatology, incarnation, and the Trinity to understand humanity's relational nature and destiny beyond a solitary self. The conclusion is that proposals seeking to "reinvent humanity" against its intrinsic communion, organismal unity, or need for eschatological existence should be seen as sub-human.