No great mind has ever existed without a touch of madness.
The difference between insanity and genius is measured only by success and failure.
Men have called me mad; but the question is not yet settled, whether madness is or is not the loftiest intelligence.
The difference between stupidity and genius is that genius has its limits.
There's a fine line between genius and insanity. I have erased this line.
Talent hits a target no one else can hit; Genius hits a target no one else can see.
The distance between insanity and genius is measured only by success.
I became insane, with long intervals of horrible sanity.
Genius is more often found in a cracked pot than in a whole one.
Insanity: doing the same thing over and over again and expecting different results.
There is in every madman a misunderstood genius whose idea, shining in his head, frightened people, and for whom delirium was the only solution to the strangulation that life had prepared for him.
Insanity in individuals is something rare - but in groups, parties, nations and epochs, it is the rule.
There's a fine line between genius and insanity, as we all know.
It takes a touch of genius - and a lot of courage to move in the opposite direction.
Any intelligent fool can make things bigger and more complex... It takes a touch of genius - and a lot of courage to move in the opposite direction.
The space involving insanity and genius is calculated only by good results.
There is a fine line between insanity and genius.
Writers ... I think ... live on that fine line between insanity and genius.
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