‘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’. Michel Foucault (1994) [1971] ‘Entretien avec Michel Foucault’. In Dits et Ecrits vol II (of 4 volume version). Paris: Gallimard, pp. 157-74. (This passage trans. Clare O’Farrell).