When a subject is confronted with an enigmatic, impenetrable Other, the thing he has to grasp is that his question to the Other is already the question of the Other itself– the impenetrability of the substantial Other, the hindrance which is preventing the subject from penetrating the heart of the Other, is immediately an index of the fact that this Other is already in itself hindered, structured around a certain ‘indigestible’ rock, resisting symbolization, symbolic integration.
The Sublime Object of Ideology (Zizek)