Friedrich Engels — "As long as the individual is not free, he cannot truly love."

"The need of a constantly expanding market for its products chases the bourgeoisie over the whole surface of the globe. It must nestle everywhere, settle everywhere, establish connections everywhere."

"The modern bourgeois society that has sprouted from the ruins of feudal society has not done away with class antagonisms. It has but established new classes, new conditions of oppression, new forms of…"

"The working men have no country. We cannot take from them what they have not got."

"The whole of history is nothing but the continuous transformation of human nature."

"What each individual wills is obstructed by everyone else, and what emerges is something that no one willed."