How does Heidegger’s idea of temporality differ from a view of people as fixed things?

In Martin Heidegger’s philosophy, the view of humans as "fixed things" refers to the traditional ontological tendency to treat human existence as "present-at-hand"—a static state defined by fixed properties, much like an inert object. Heidegger rejected this, arguing that such a perspective fails to capture the fundamental nature of human being, which he termed Dasein.12

Heidegger’s concept of temporality distinguishes human existence from the "sequential character of world-time" or the passive existence of objects. Key differences include:23

• Ecstatic Orientation: Unlike objects that are merely present, Dasein is "ecstatically" oriented toward its own future possibilities. It is defined by an "anticipatory temporality," meaning it is always "out ahead of itself" rather than being a finished, static entity.123
• Active Engagement: Dasein is characterized by its active involvement in the world. Its being is a project of actualizing possibilities, whereas the "inert being of things" is passive and lacks this intentionality.1
• Historicity: Dasein does not exist in a vacuum; it "temporalizes" by acting in time, responding to its collective past for the sake of its future.1

By framing humans as Dasein, Heidegger emphasizes that our existence is a dynamic process of becoming rather than a fixed, measurable state.14