"The modern individual family is founded on the open or concealed domestic slavery of the wife."

"The working class is revolutionary or it is nothing."

"The first requisite of all history is the production of the means to satisfy these needs, the production of material life itself."

"The demand for the liberation of the oppressed nation is nothing but the consistent expression of the struggle against oppression in general."

"The state is nothing but a machine for the oppression of one class by another, and indeed in the democratic republic no less than in the monarchy."