But once we are face to face with the full import of what this past foreshadowed—what we, at our level of technological and social development, could have been and still can be—we confront a haunting question. What brought about the radical change in cultural direction, the shift that plunged us from a social order upheld by the Chalice to one dominated by the Blade? When and how did this happen? And what does this cataclysmic change tell us about our past—and our future?