The main source of psychopathic diseases is the fundamental instinct of fear with its manifestations, the feeling of anxiety, anguish, and worry. - Boris Sidis

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The main source of psychopathic diseases is the fundamental instinct of fear with its manifestations, the feeling of anxiety, anguish, and worry.

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About Boris Sidis

Boris Sidis (October 12, 1867 – October 24, 1923) was a Ukraine-born American psychologist and psychiatrist who studied under William James at Harvard University. His areas of study included hypnosis, suggestion, and the subconscious; multiple personality, sleep, laughter, and the treatment of psychopathic disease.

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