Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.

Freedom is the recognition of necessity.

We find two great gangs of political speculators, who alternately take possession of the state power and exploit it by the most corrupt ends -- the nation is powerless against these two great cartels of politicians who are ostensibly its servants, but in reality dominate and plunder it.

Terror consists mostly of useless cruelties perpetrated by frightened people in order to reassure themselves.

What is Communism? Communism is the doctrine of the conditions of the liberation of the proletariat. What is the proletariat? The proletariat is that class in society which lives entirely from the sale of its labor and does not draw profit from any kind of capital; whose weal and woe, whose life and death, whose sole existence depends on the demand for labor....

All the other large and small nationalities and peoples are destined to perish before long in the revolutionary world storm... The next world war will result in the disappearance from the face of the earth not only of reactionary classes and dynasties, but also of entire reactionary peoples. And that, too, is a step forward.

Without analysis, no synthesis.

...it was always our view that in order to attain this [proletarian revolution] and the other far more important aims of the future social revolution, the working class must first take possession of the organised political power of the state and by its aid crush the resistance of the capitalist class and organise society anew.

No nation can be free if it oppresses other nations.

Just as Darwin discovered the law of evolution in organic nature, so Marx discovered the law of evolution in human history; he discovered the simple fact, hitherto concealed by an overgrowth of idealogy [sic], that mankind must first of all eat and drink, have shelter and clothing, before it can pursue politics, science, religion, art etc.