The two most far-reaching critical theories at the beginning of the latest phase of industrial society were those of Marx and Freud. Marx showed the moving powers and the conflicts in the social-historical process. Freud aimed at the critical uncovering of the inner conflicts. Both worked for the liberation of man, even though Marx's concept was more comprehensive and less time-bound than Freud's.
Man is the only animal who does not feel at home in nature, who can feel evicted from paradise, the only animal for whom his own existence is a problem that he has to solve and from which he cannot escape. He cannot go back to the prehuman state of harmony with nature, and he does not know where he will arrive if he goes forward. Man's existential contradiction results in a state of constant disequilibrium. This disequilibrium distinguishes him from the animal, which lives, as it were, in harmony with nature.
Man today is fascinated by the possibility of buying, more, better, and especially, new things. He is consumption hungry... To buy the latest gadget, the latest model of anything that is on the market, is the dream of everybody, in comparison to which the real pleasure in use is quite secondary. Modern man, if the dared to be articulate about his concept of heaven, would describe a vision which would look like the biggest department store in the world...
I believe that one can and must hope for a sane society that furthers man's capacity to love his fellow men, to work and create, to develop his reason and his objectivity of a sense of himself that is based on the experience of his productive energy. I believe that one can and must hope for the collective regaining of a mental health that is characterized by the capacity to love and to create...
We forget that, although freedom of speech constitutes an important victory in the battle against old restraints, modern man is in a position where much of what "he" thinks and says are the things that everybody else thinks and says; that he has not acquired the ability to think originally - that is, for himself - which alone gives meaning to his claim that nobody can interfere with the expression of his thoughts.