In his later work Heidegger introduces a mirror play of four spheres, something which in the first instance seems enigmatic and incomprehensible. This design, what he calls the Geviert (Fourfold),...Show moreIn his later work Heidegger introduces a mirror play of four spheres, something which in the first instance seems enigmatic and incomprehensible. This design, what he calls the Geviert (Fourfold), seems to appear out of nowhere. But on second thoughts it becomes clear that it is a continuation of his earlier work, and it is an answer to the problems of the European thinking. The main question of my study: ‘What includes Heideggers Geviert?’ The thesis consists of four chapters. The first focuses on the conception of the design of the Geviert in Heideggers earlier works, such as Sein und Zeit and Urpsprung des Kunstwerkes. The second one talks about two spheres, the earth and the sky. The third one focuses on the other two spheres, the mortal and the godlike. The fourth chapter treats the relationship and the dynamic between the four spheres. One of the insights is that each sphere contains the dynamic of Heraclit’ phusis-concept. Herewith Heidegger harks back to the origin of the Western thought to address to problems that have sprung into this thinking at the root.Show less