Marxism and Bolshevism, its offspring, were products of an era in European intellectual life that was obsessed with violence. No-one embraced this philosophy more enthusiastically than the Bolsheviks: 'merciless' violence, violence that strove for the destruction of every actual and potential opponent, was… the only way of dealing with problems.
p. 500 - Russia Under The Bolshevik Regime (1994)