Haloperidol

"[...]we are self-consciously aware that our certainty is all hypothetical: we understand that we create the meaning we think we find; we know that when we feel most certain we are taking for fact exactly what we pretend to be. How are these moments of self-consciousness achieved? ...we come to self-consciousness about our pretended certainty through the confrontation with alterity, and experience of the other that surprises us in its intractability, its refusal to conform to what we imagine we know [...] the expectations that we call knowledge."