Gilles Deleuze ( See also: "Difference and Repetition is definitely the most important work published by Deleuze." (Edouard Morot-Sir, from the back cover of the first edition of the English translation), or James Williams' judgment: "It is nothing less than a revolution in philosophy and stands out as one of the great philosophical works of the twentieth century" (Williams, Gilles Deleuze's Difference and Repetition: A Critical Introduction and Guide [Edinburgh UP, 2003], p. 1).