We can no longer postpone the challenging question, How does one know that among the bedlam of voices which beset us all, one is really hearing his daimon? Inner 'voices'—experienced as actual or metaphorical ones—are notoriously untrustworthy; they can tell one anything. Many people hear voices, but there are few Joans of Arc. How about our schizophrenic patients who are instructed by their voices to bomb New York?