In a political struggle of class against class, organization of trade unions is the most important weapon.

The proletariat uses the State not in the interests of freedom but in order to hold down its adversaries, and as soon as it becomes possible to speak of freedom the State as such ceases to exist.

By bourgeoisie is meant the class of modern capitalists, owners of the means of social production and employers of wage labor. By proletariat, the class of modern wage laborers who, having no means of production of their own, are reduced to selling their labor power in order to live.

By the same right under which France took Flanders, Lorraine and Alsace, and will sooner or later take Belgium — by that same right Germany takes over Schleswig; it is the right of civilisation as against barbarism, of progress as against stability.

The slave frees himself when, of all the relations of private property, he abolishes only the relation of slavery and thereby becomes a proletarian; the proletarian can free himself only by abolishing private property in general.

Three hundred years after its appearance Christianity was the recognized state religion in the Roman World Empire, and in barely sixty years socialism has won itself a position which makes its victory absolutely certain.

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