This document discusses the concept of vital force in light of modern sciences. It begins by outlining reductionist, mechanistic, wholistic and vitalistic views of living systems. It then establishes the significance of the vitalistic view by questioning why the reductionistic view should be rejected. It provides perspectives from scientists like Ernst Mayr, Alexis Carrel, and Windelband Wilhelm to argue that living organisms cannot be fully explained by their physicochemical components alone. The document also discusses how concepts in modern physics, developmental biology, and conventional medicine have gradually accepted ideas like morphogenetic fields and self-organization, consistent with a vitalistic view. It concludes by arguing that Hahnemann's concept of vital force should