We are all murderers and prostitutes — no matter to what culture, society, class, nation, we belong, no matter how normal, moral, or mature we take ourselves to be.
Humanity is estranged from its authentic possibilities. This basic vision prevents us from taking any unequivocal view of the sanity of common sense, or of the madness of the so-called madman. … Our alientation goes to the roots. The realisation of this is the essential springboard for any serious reflection on any aspect of present inter-human life.

p. 2 of Introduction - The Politics of Experience (1967)