It is quite clear that the German and Chinese revolutions in case of victory would have changed the face of Europe and Asia, and perhaps of the whole world.

National self-sufficiency or "autarchy" is the ideal of [Adolf] Hitler, not of [Karl] Marx and [Vladimir] Lenin.

What shall we call an "immediate possibility"? In 1923 the situation in Germany was profoundly revolutionary, but what was lacking for a victorious revolution was a correct strategy.

City of prose and fantasy, of capitalist automation, its streets a triumph of cubism, its moral philosophy that of the dollar. New York impressed me tremendously because, more than any other city, it is the fullest expression of our modern age.

Ideas that enter the mind under fire remain there securely and for ever.

Only the defeat of the proletariat in Germany in 1923 gave the decisive push to the creation of Stalin's theory of national socialism: the downward curve of the revolution gave rise to Stalinism, not to the theory of the permanent revolution, which was first formulated by me in 1905. This theory is not bound to a definite calendar of revolutionary events; it only reveals the world-wide interdependence of the revolutionary process.

Everyone has a right to be stupid, but Comrade MacDonald abuses the privilege.