Life is not an easy matter... You cannot live through it without falling into frustration and cynicism unless you have before you a great idea which raises you above personal misery, above weakness, above all kinds of perfidy and baseness.

Dialectical thought is related to vulgar thinking in the same way that a motion picture is related to a still photograph. The motion picture does not outlaw the still photograph but combines a series of them according to the laws of motion.

The dictatorship of the Communist Party is maintained by recourse to every form of violence.

The end may justify the means as long as there is something that justifies the end.

Not believing in force is the same as not believing in gravity.

In the appendix to my History of the Russian Revolution I give a detailed and documented study of the ideas of the Bolshevik party on the October revolution. This study, I hope, will make it impossible in the future to ascribe to [Vladimir] Lenin the theory of Socialism in a single country.

England is nothing but the last ward of the European madhouse, and quite possibly it will prove to be the ward for particularly violent cases.