"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."

"The will of the people is the will of God."

"In a word, the Communists everywhere support every revolutionary movement against the existing social and political order of things."

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

"The bourgeoisie, wherever it has got the upper hand, has put an end to all feudal, patriarchal, idyllic relations."