"The bourgeoisie, historically, has played a most revolutionary part."

"Man makes his own history, but he does not make it out of whole cloth; he does not make it under self-selected circumstances, but under circumstances existing already, given and transmitted from the p…"

"Capital is money, capital is commodities. By virtue of it being value, it has acquired the occult ability to add value to itself. It brings forth living offspring, or, at the least, lays golden eggs."

"For him, the solution of present-day problems does not consist in public action but in the dialectical rotations of his brain."

"The more the worker spends himself, the more powerful becomes the alien world of objects which he creates over and against himself, the poorer he himself — his inner world — becomes, the less belongs …"