"The ruling class, in order to maintain its rule, must constantly revolutionize the instruments of production, and thereby the relations of production, and with them the whole relations of society."

"The worker becomes poorer the more wealth he produces, the more his production increases in power and range. The worker becomes an ever cheaper commodity the more commodities he creates."

"Political power, properly so called, is merely the organised power of one class for oppressing another."

"The abolition of bourgeois individuality, bourgeois independence, and bourgeois freedom is undoubtedly aimed at."

"History is thorough and goes through many phases when carrying an old form to the grave. The last phase of a world-historical form is its comedy."