Leap of Faith

The "leap of faith" in Žižek's usage across the-parallax-view-slavoj-zizek names a constitutive structural act of commitment that cannot be grounded in prior rational justification or normative consensus—an act that must be performed for any symbolic order, communicative practice, or subjective position to get off the ground at all. In its first register (p.54), it designates the basic condition of linguistic communication: speakers cannot verify that they mean the same thing, yet they proceed as if they do. This presupposition is not a rational inference but a groundless wager—a pre-normative act of trust that language requires in order to function. Crucially, Žižek notes that this leap "has no normative content" and can even "block further elaboration," meaning it is not a positive foundation but a structural shortcut that forecloses the very inquiry it enables.

In its second register (p.83), following Kierkegaard's Abraham, the leap of faith appears as the subjective correlate of a genuinely contingent, non-totalizable Real. Whereas Hegelian dialectics would domesticate the abyss of decision into Aufhebung, the Kierkegaardian/Žižekian leap is precisely what cannot be sublated: from the outside it resembles madness because no symbolic chain can authorize it in advance. This connects the concept to the structure of "infinite resignation" (Versagung)—sacrificial loss without guaranteed return—which Žižek reads as a secretly Lacanian operation. The leap is thus doubly constitutive: it founds the symbolic order (Occurrence 1) and marks the point where the subject must act in the face of the non-All of the Real without any transcendent guarantee (Occurrence 2).

Within the-parallax-view-slavoj-zizek, the leap of faith occupies a hinge position between two of the book's central problematics: the parallax gap in language/communication (p.54) and the materialist rereading of Kierkegaard's theology (p.83). In both cases it names a moment where the symbolic order cannot close on itself—where the retroactive logic of après-coup (the presupposition is only constituted as such by the act that leaps past it) and retroactive positing of presuppositions are both at work: the speaker's act of trusting shared meaning retroactively installs the very convention it presupposes. At the same time, the leap's structural "madness" aligns it with the Real as that which "does not cease not to be written"—the point where symbolic authorization runs out and yet the subject must act. The leap is thus what the subject performs at the edge of the non-All.

Relative to the cross-referenced canonicals, the concept operates as a specification and a stress-test. Against Concrete Universality, the leap is the moment before dialectical mediation: it is the raw, unjustified act that makes any subsequent chain of particular-universal articulation possible. Against Objet petit a, the leap is what the subject performs in the absence of the guarantee that a structurally withholds—it is the movement of desire without an authorized object. Against Retroactive Positing of Presuppositions and Après-coup, the leap is the subjective name for the formal structure those concepts describe from a logical-ontological standpoint: one leaps precisely because the presupposition can only be posited after the fact. The leap of faith is therefore an irreducibly practical, subjective figure for the ontological incompleteness the other canonical concepts articulate at a structural level.

The Parallax ViewSlavoj Žižek · 2006 (p.83)

we have to make a leap of faith which, to an external observer, cannot but look like an act of madness (like Abraham's readiness to kill Isaac): 'At first glance the understanding ascertains that this is madness.'

The phrase "cannot but look like an act of madness" is theoretically loaded because it marks the point where the Symbolic's normative-rational grid breaks down: the leap is not irrational from the inside but is constitutively unreadable from an "external observer's" position, indexing the Real as the limit of any totalizing symbolic perspective. The embedded citation ("the understanding ascertains that this is madness") stages the Kierkegaardian tension between Understanding (Verstand, the finite symbolic register) and the act that exceeds it, aligning the leap structurally with the non-All of the Real rather than with pathological irrationalism.