"In terms of earthly life as you understand it, it is overly optimistic to imagine that eventually all illnesses will be conquered, all relationships be inevitably fulfilling, or to foresee a future in which all people on earth are treated with equality and respect."

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Thought and speech are of a thinking and speaking subject, and if the life of the latter depends on the performance of a superimposed function, it depends on fulfilling the requirements of this function thus it depends on those who control these requirements.

— Herbert Marcuse