This text provides a philosophical analysis of the relationship between action and the subject, defining action as an event that originates in a subject but finds its purpose or end outside of it. The subject is characterized as a fundamentally new and underived entity that establishes relationships with other subjects and groups through its actions and reactions. The author argues that through external action, a subject transcends its own boundaries and, in a sense, leaves itself behind. This process is most visible when an action involves external materials to which the subject imparts motion. Once initiated, this motion becomes a sequence of events that is no longer sustained or inhabited by the subject itself. Ultimately, the document examines how a subject acts as a primary cause of change in the world, creating autonomous movements that persist independently of the subject's continued presence, thereby bridging the gap between internal agency and external reality.