"The commodity is a mysterious thing, simply because in it the social character of men's labour appears to them as an objective character stamped upon the product of that labour."

"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…"

"The first requisite for the happiness of the people is the abolition of religion."

"The meaning of history is the progress of humanity toward freedom and self-consciousness."

"Social progress can be measured by the social position of the female sex."