This III International Congress and IX Brazilian Congress of Fundamental Psychopathology gathers us today in Niterói around the theme: Pathos – Violence and Power. Guided by this important debate proposal, I thought appropriate in this conference to tackle a central problem directly linked to this thematic, though paradoxically little discussed among us: that of the ethical implications of Fundamental Psychopathology. I intend to show that the ethical issue has always been present ever since this field was created by Pierre Fédida. But, above all, I hope to demonstrate that the constitution of this new approach of psychopathology is organized around some truly ethical positionings relative to the theoretical, clinical and research practices whose object is human suffering and passions.