text: In addition to laying the groundwork for post-colonial studies as an area of inquiry , the book inspired a flurry of scholarship devoted to the other--to groups of people who , by virtue of race , gender , sexuality , or geographical location , are unable to represent themselves and so ( to echo the line from Karl Marx that serves as the book 's epigraph ) must be represented by those more powerful .
  
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  The book does not mention anything related to Karl Marx .