چکیده (انگلیسی): Heidegger regarded Being the most foundamental matter of thought, and remained faithful to this position throughout his path of thinking. Heidegger’s Philosophy is one concerns to the horizon of the question of Being. His writings show us that how heidegger has dealt to Being from different points. His penetrate in following of this way has forced his most radical opposeds. Heidegger tries to view all problems and concepts in the light of that foundamental question: time, Dasein, history, philosophy, science, technology, poetry, Language,.… (The abstract of this thesis is this:) of course, “thinking” was not an exception of rule