Metaphysics in the Age of Science. Philosophy is a commitment to the Absolute. Under the working title of Transcendence, Jaspers' interest lies in being itself. Oriented towards the timeless, it provides guidance in time. Jaspers recognizes in the profile of a modernity shaped by natural science and technology that boundary situations of human existence become the guiding motif to regain the transcendental reference of being against the loss to the merely objective. In this sense of a metaphysics in the age of science, Jaspers adopts the term 'existential philosophy.' His writings on existential philosophy, primarily the Groningen Lectures "Reason and Existence" (1935) and the Frankfurt Lectures of 1938, combine the existential-appealing approach with the design of a philosophical logic. As an ethics of thought, it forms.