In its function, the power to punish is not essentially different from that of curing or educating.
Michel FoucaultThe soul is the effect and instrument of a political anatomy; the soul is the prison of the body
Michel FoucaultInstitutions of knowledge, of foresight and care, such as medicine, help to support the political power. It's also obvious, even to the point of scandal, in certain cases related to psychiatry.
Michel Foucault[T]hus one should not think that desire is repressed, for the simple reason that the law is what constitutes both desire and the lack on which it is predicated. Where there is desire, the power relation is already present: an illusion, then, to denounce this relation for a repression exerted after the event.
Michel Foucault