“There is no genius without a touch of madness.”
“There was never a genius without a tincture of madness…”
“for what is religion if not a kind of madness, and what is madness without a touch of religion?”
“No life is complete without a touch of madness.”
“Great minds that are healthy are never considered geniuses, while this sublime qualification is lavished on brains that are often inferior but are slightly touched by madness.”
“No great mind has ever existed without a touch of madness.”