This text examines the fundamental duality of reality within the Platonic tradition, which divides the world into a realm of immutable ideas and a domain of transient phenomena. A central element of the discussion is the figure of the Demiurge, a divine craftsman acting as an intermediary capable of impressing ideal forms into formless matter. Plato prioritizes the world of ideas as primary and absolute, while viewing all change and flux as derivative and unstable properties of impressions. The critique of this concept highlights the problematic relegation of time and temporality to a secondary status, even though formlessness is allegedly a non-temporal property and motion is unthinkable without the dimension of time. Finally, the text links this ancient framework to the philosophy of Alfred North Whitehead, who explicitly references Plato through his distinction between "eternal objects" and "events." The text provides a brief insight into the ontological questions of stability and flux that have shaped Western philosophical thought from antiquity to modern process metaphysics.