“Enlightenment is always preceded by confusion”
Milton Hyland Erickson, MD (1901 – 1980) American psychiatrist and founding president of the American Society for Clinical Hypnosis

Milton Hyland Erickson was also a fellow of the American Psychiatric Association, the American Psychological Association, and the American Psychopathological Association. He is noted for his often unconventional approach to psychotherapy.
http://en.wikipedia.org/wiki/Milton_H._Erickson