This chapter examines the way the two main philosophies of Heidegger and Derrida, come into critical contact with each other. Derrida represents his own thinking as a development of Heideggerian thought. The chapter discusses Derrida's engagement with Heidegger spanned nearly his entire philosophical career. Derrida's exploration of Heidegger's spiritual idiom, while somewhat unusual, is not unconnected with his other writings on Heidegger. Through tracing Heidegger's spiritual idiom, Derrida seeks to bring out what is at stake in those aspects of Heidegger's (...) thought he finds uncertain or, to put it more bluntly, questionable. In tracing Derrida's reading of Heidegger in Of Spirit, then, one shall in effect be crossing two pathways. One uses the medium of spirit to introduce certain critical questions for Heideggerian philosophy, specifically questions that relate to the political and geo political aspects of Heidegger's work. (shrink)