Marcuse introduced Freudian terminology into his Marxist discourse.
words like "sane" and "neurotic" became politicized and socially analytic.
society depends for its existence on the repression of the "pleasure principle" and is only made possible by the sublimation of fundamental human desires.
there must therefore always be a tense relationship between the individual and society.
Marcuse concluded that advanced industrial modes of production inevitably create rigidly conformist and close