from "There is No One Narcissism" pp. 199-201
. . . there is naturally a desire, for whoever speaks or writes, to sign in an idiomatic, that is, irreplaceable manner. But as soon as there is a mark, that is, the possibility of a repetition, as soon as there is language, generality has entered the scene and the idiom compromises with something that is not idiomatic: with a common language, concepts, laws, general norms. . . .
from an Explanation of Deconstruction by Warren Hedges
Although Derrida is specific that deconstruction is not reducible to a method, at least in literary studies, critics influenced by Derrida's work . . . . [show us] how texts subvert, exceed, or even overturn their author's stated purposes.