"The ideas of freedom and equality which come to the fore in bourgeois society cannot be taken at their “face value,” as directly summing up social reality; on the contrary, the legal freedoms which exist in bourgeois society actually serve to legitimize the reality of contractual obligations in which propertyless wage-labor is heavily disadvantaged as compared to the owners of capital."
January 1, 1970
https://en.wikiquote.org/wiki/Freedom