"A nation cannot be free and at the same time continue to oppress other nations. The emancipation of Germany cannot therefore take place without the emancipation of Poland from German oppression."

"The more a science advances, the more it is divided into separate branches, and the more these branches, in turn, are further subdivided."

"The philistine is a man who regards the world as existing for him alone."

"The capitalist mode of appropriation, the result of the capitalist mode of production, produces capitalist private property. This is the first negation of individual private property, as founded on th…"

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