The philosophy is not learning or studying, but thinking. This Heidegger proposes two sentences of Heraclitus and Nietzsche, and teaching them to think about, it discusses how the thinking of these philosophers is related to quantum mechanics: "All thinkers think alike," he says._x000D_
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This volume presents for the first time in Castilian lessons that Heidegger gave his students began the study of philosophy in the winter of 1941/1942._x000D_
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Exercise in philosophical thought teaches how to think philosophically self.