Let us take up again the two most characteristic sentences of Derrida regarding our passage: 'the hypothesis of eccentricity seems at this moment in the Cartesian order not to receive any privileged treatment and not to be subject to any particular exclusion', and the hypothesis of eccentricity is 'an ineffective and unfortunate example in the pedagogical order, because it comes up against the resistance of the non philosopher who dares not follow the philosopher when he notes that he might well be mad at the moment at which he is speaking'.