... we are obliged to produce the truth by the power that demands truth and needs it in order to function: we are constrained, we are condemned to admit the truth or to discover it. Power constantly asks questions and questions us; it constantly investigates and records; it institutionalizes the search for the truth, professionalizes it, and rewards it. ... In a different sense, we are also subject to the truth in the sense that truth lays down the law: it is the discourse of truth that decides, at least in part; it conveys and propels effects of power.

We should not be content to say that power has a need for such-and-such a discovery, such-and-such a form of knowledge, but we should add that the exercise of power itself creates and causes to emerge new objects of knowledge and accumulates new bodies of information. ... The exercise of power perpetually creates knowledge and, conversely, knowledge constantly induces effects of power. ... It is not possible for power to be exercised without knowledge, it is impossible for knowledge not to engender power.

Visibility is a trap.

The language of psychiatry, which is a monologue by reason about madness, could only have come into existence in such a silence.

Why shouldn't I be interested in politics? That is to say, what blindness, what deafness, what density of ideology would have to weigh me down to prevent me from being interested in what is probably the most crucial subject to our existence, that is to say the society in which we live, the economic relations within which it functions, and the system of power which defines the regular forms and the regular permissions and prohibitions of our conduct. The essence of our life consists, after all, of the political functioning of the society in which we find ourselves.

Penal law was not created by the common people, nor by the peasantry, nor by the proletariat, but entirely by the bourgeoisie as an important tactical weapon in this system of divisions which they wished to introduce.

I don't write a book so that it will be the final word; I write a book so that other books are possible, not necessarily written by me.