“There's a fine line between genius and insanity, as we all know.” KnowsLinesFineGeniusMadnessInsanitySanityFine LinesMadness And SanityInsanity And SanityMadness And InsanityDilbertGenius And MadnessDefinition Of InsanityMisunderstood GeniusInsanity And Genius Author:Mackenzie Phillips