"The ultimate causes of all social changes and political revolutions are to be sought, not in the brains of men, not in men's better insight into eternal truth and justice, but in changes in the modes …"

"The demand for the abolition of private property is nothing but the expression of the revolutionary spirit of the proletariat."

"The development of large-scale industry has not only created the classes which are revolutionary, but has also created the means of their liberation."

"The proletariat will use its political supremacy to wrest, by degree, all capital from the bourgeoisie, to centralise all instruments of production in the hands of the State, i.e., of the proletariat …"

"The development of modern industry has cut from under its feet the very ground on which the bourgeoisie produces and appropriates products. What the bourgeoisie therefore produces, above all, are its …"