The purpose of this essay is to investigate and assess, with Clausewitz?s theory as thebackground, how different military theorists interpret and relate to the nature of war.This essay illustrates the state of research into Clausewitz?s philosophical influences.Clausewitz?s theory of the nature of war is subjected to a qualitative text analysis that is followedby a critique of other military theorists interpretations of his theory. Subsequently a descriptive,comparative qualitative text analysis is performed where the factors identified by Clausewitz asbeing part of the nature of war (?rational thought?, ?passion? and ?chance?) are used as a meansto interpret and assess how other military theorists relate to Clausewitz theory. This essay ismainly founded on analysis of the works of Jomini, Delbrück, Fuller, Liddell Hart, Handel,Roxborough, van Creveld and Keegan.