The human condition has traditionally been defined in terms of mortality: Our knowledge that we will die has been said to constitute the axiological ground of existence, the value- and meaning-bestowing matrix underlying all our hopes, aspirations, relationships, and endeavors. But is this how we truly and actually live? Do we make choices, pursue personal and professional goals, value beauty and friendship, love our children, parents, and spouses because we are ever aware of our own and others' finitude? In his groundbreaking, utterly original exploration of the human condition, Michael...