"The production of too many useful things results in too many useless people."

"The mode of production of material life conditions the general process of social, political and intellectual life. It is not the consciousness of men that determines their existence, but their social …"

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

"The transformation of money into capital is to be explained on the basis of the laws that regulate the exchange of commodities."

"Legal relations, as well as forms of state, are to be grasped neither from themselves nor from the so-called general development of the human mind, but rather have their roots in the material conditio…"