'We shall not return to the state anterior to discourse - in which nothing has yet been said, and in which things are only just beginning to emerge out of the grey light; and we shall not pass beyond discourse in order to rediscover the forms that it has created and left behind it; we shall remain, or try to remain, at the level of discourse itsel...A task consists of not - of no longer - treating discourses as groups of signs (signifying elements referring to contents or representations) but as practices that systematically form the objects of which they speak.'