Being and Time

Being and Time

Sartre's existentialism drew its immediate inspiration from the work of the German philosopher, Martin Heidegger. Heidegger's 1927 “Being and Time”, an inquiry into the “being that we ourselves are” (which he termed “Dasein,” a German word for existence), introduced most of the motifs that would characterize later existentialist thinking: the tension between the individual and the “public”; an emphasis on the worldly or “situated” character of human thought and reason; a fascination with liminal experiences of anxiety, death, the “nothing” and nihilism; the rejection of science (and above all, causal explanation) as an adequate framework for understanding human being; and the introduction of “authenticity” as the norm of self-identity, tied to the project of self-definition through freedom, choice, and commitment. Though in 1946 Heidegger would repudiate the retrospective labelling of his earlier work as existentialism, it is in that work that the relevant concept of existence finds its first systematic philosophical formulation.
As Sartre and Merleau-Ponty would later do, Heidegger pursued these issues with the somewhat unlikely resources of Edmund Husserl's phenomenological method. And while not all existential philosophers were influenced by phenomenology (for instance Jaspers and Marcel), the philosophical legacy of existentialism is largely tied to the form it took as an existential version of phenomenology. Husserl's efforts in the first decades of the twentieth century had been directed toward establishing a descriptive science of consciousness, by which he understood not the object of the natural science of psychology but the “transcendental” field of intentionality, i.e., that whereby our experience is meaningful, an experience of something as something. The existentialists welcomed Husserl's doctrine of intentionality as a refutation of the Cartesian view according to which consciousness relates immediately only to its own representations, ideas,...

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