To a certain extent, it is beneficial for the moralist to be able to identify falsehood from afar, so that an inflection or a glance is enough to reveal a character. Pragmatically, this ability will be of use to him throughout his life. There is, however, an inevitable side-effect: realizing its near omnipresence, he must either tolerate it or turn away. If he has learned to detest it, if he has taken an invincible repulsion to it, he will fall into that rare practice which is now called a personality disorder, and even if, for whatever reason, he ends up giving in to the torture which his contact with the world will become, it is only in that that he will find his peace.