Paranoia imposes its own vision on the external world; it differs from other kinds of visionary experience in that the paranoid wants others to share his view-even insists on it. Paranoia is very like poetic creativity. This accounts for my fascination with certain people in whom this state of mind was evident: ‘characters' met by chance, whose words and gestures would haunt me for years until, finally, in a poem I was able to dispel them