This text explores the concept of praxis as activity, critically re-evaluating Marx's emphasis on social practice. The author argues that the significance of activity extends beyond human society to all subjects, including pre-living ones, thereby shaping the nature of the entire world. On a philosophical level, this approach is applied to the concept of truth, which is understood not as a static object but as a normative horizon for the activity of discourse. The core of the reflection lies in the ontological nature of the subject, which transcends its own activity in two ways. Firstly, internally, by drawing from the deeper layers of its being, and secondly, realistically, through its ek-static nature, which enables the active transformation of events. The text emphasizes that it was precisely this transcendental and internal dimension of the subject that Karl Marx systematically denied. The work thus offers a broader ontological framework for understanding the relationship between the subject, truth, and the world through the prism of creative activity.