For the specialist of the history of ancient Christianity, in his opus posthumum, Les aveux de la chair, Michel Foucault tends to retain only those elements of Christianity that make it an ethical institution. Now, between the date of composition of Les aveux de la chair (1982) and Foucault's death (1984), the research on parrhesia opened a space for another way of thinking Christianity, beyond the ethical, something similar to "the form of the other world and the other life" with which Foucault describes cynicism in his last written words, and lets foresee an ascetic and mystical bipolarity in the "construction of the modern subject". Therefore, it is necessary to read again Les aveux de la chair from the last reflections of Le courage de la v & eacute;rit & eacute;.