On Philosophy in fiction. Roland Barthes puts it this way (as only he could have):

There are those who want a text (an art, a painting) without a shadow, without the “dominant ideology”; but this is to want a text without fecundity, without productivity, a sterile text (see the myth of the Woman without a Shadow). The text needs its shadow: this shadow is a bit of ideology, a bit of representation, a bit of subject: ghosts, pockets, traces, necessary clouds: subversion must produce its own chiaroscuro. [Emphasis original]

The Pleasure of the Text, page 32.