"The advance of capitalist production develops a working class, which by education, tradition, and habit, looks upon the requirements of that mode of production as self-evident natural laws."

"The tradition of all dead generations weighs like a nightmare on the brains of the living."

"A people without character, without any historical initiative, a people that has only been used as a tool by other nations, will achieve its freedom only by becoming a tool for a revolution that will …"

"I infected him very much to his detriment with Hegelianism, which, owing to his lack of German, he could not study properly."

"In a higher phase of communist society, after the enslaving subordination of the individual to the division of labor, and therewith also the antithesis between mental and physical labor, has vanished;…"