Robert Pirsig, an American writer and philosopher who typifies Freud's followers,
has said,“When one person suffers from a delusion, it's called insanity.
In a 2006 interview for the Observer, philosopher Robert Pirsig, author of Zen and the Art of Motorcycle Maintenance,
revealed that he refers to his own breakdown both as"catatonic schizophrenia" and"hard enlightenment.".