We do not know how we think, and even less do we know the organ by means of which we think. And yet, with this insufficient thinking, we place ourselves before the nervous system, and at the physiological and psychological level, we presume to interpret its function, seeing it in relation to what we cannot perceive.... Therefore, no physiology or psychology penetrates the mystery of illness, of anguish, of pain, of longing or of fear: because it is, in any case, an investigation that is itself subjected to the conditions that render illness, anguish, pain, longing and fear, necessary. In truth, the lance that injures Amfortas is still embedded in the wound. The wound bleeds all the time and no hand can keep it from bleeding, except the hand that knows how to grasp the magic weapon and make of what wounds and kills, what heals and resurrects.