"There is a thin line between genius and insanity. I have erased this line."
— Insanity

January 1, 1970

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Added on April 10, 2026
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MindHealth
Original Language: English

Sources

Oscar Levant, as quoted in Celebrity Register : An Irreverent Compendium of American Quotable Notables (1959) by Cleveland Amory ; also paraphrased as "There is a fine line between genius and insanity. I have erased this line".