This text explores the ontological nature of the subject as a non-objective entity and analyzes the origin of its agency. The subject is primarily defined by its activity, through which it continuously re-establishes its own being and mode of existence. The central theme is the dialectical relationship between the subject and the event: while the subject is intrinsically linked to a specific event that establishes it for its own progression, the event itself remains a mere virtuality without the subject. The author reflects on where the subject draws its unique power to participate in creating realities that would not occur without its initiative. The text problematizes the sources of subjectivity and its role in the processual unfolding of the world, where the subject acts as a necessary agent transforming potential possibilities into real actions. This analysis opens deeper questions about the sources of human initiative and the subject's ability to influence both the objective and non-objective aspects of reality, whereby the subject becomes a key element in the constitution of historical and existential movement.