post-World War I. At the start of the work, Eucken introduces the pressing inquiry into the significance of life, stressing that such questioning intensifies during times of uncertainty. He describes how individuals grapple with deep existential dilemmas when the foundational structures of life become destabilized. The opening sections establish a backdrop of historical and philosophical contexts, discussing the interaction between the visible and invisible realms of existence, and noting the crisis of belief that many individuals experience as traditional frameworks fail to provide adequate answers. Eucken sets the stage for a detailed discourse on the various life orders and their psychological impact, aiming to guide readers toward a renewed understanding of life's purpose through critical engagement with these overarching themes. (This is an automatically generated summary.)