This volume presents two important lecture cycles delivered after WWII, exploring the poetry of Hölderlin and the nature of thought itself. Heidegger delivered his lecture series, Insight into That Which Is, at Bremen in 1949. It was his first speaking engagement after World War II, when he was officially banned from teaching. Here, Heidegger openly resumes thinking that deeply engaged him with Hölderlin’s poetry and themes developed in his earlier works. In the Freiburg lectures, delivered in 1957, Heidegger ponders thought itself and freely engages with the German idealists and Greek thinkers who had provoked him in the past. Andrew J. Mitchell’s translation allows English-speaking readers to explore important connections with Heidegger’s earlier works on language, logic, and reality.

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