"The performative dimension at work here consists of the symbolic efficiency of the "mask": wearing a mask actually makes us what we feign to be. In other words, the conclusion to be drawn from this dialectic is the exact opposite of the common wisdom by which every human act (achievement, deed) is ultimately just an act (posture, pretense): the only authenticity at our disposal is that of impersonation, of "taking our act (posture) seriously."