Doe Quote by John Wayne Gacy

Heaven knows insanity was disreputable enough, long ago; but now that the lawyers have got to cutting every gallows rope and picking every prison…

— Mark Twain

Insanity is just a state of mind.

— Anonymous

Insanity has excuses; wickedness has not.

— Ariana Franklin

The pursuit of truth, properly considered, shouldn't stop short of insanity.

— Errol Morris

Insanity is to behave like someone that you are not.

— Paulo Coelho

Insanity is just what we call stupidity when it doesn't make sense.

— Josh Lieb

“if insanity is what we must accept and live with, then may God help us all to find a better kind of madness.”

— Deborah Renee

Insanity is doing the same thing in the same way & expecting a different outcome

— Old Chinese Proverb

Insanity is hereditary; you get it from your children.

— Sam Levenson

Insanity is arguing with reality.

— Byron Katie

If everyone could understand the working of a psychopath's mind, we undoubtedly would be closer to insanity ourselves.

— Dan Simmons

Insanity in individuals is something rare - but in groups, parties, nations and epochs, it is the rule.

— Friedrich Nietzsche