->'''Beckett:''' You're mad!
->'''Jack:''' Thank goodness for that, 'cause if I wasn't this would probably never work.
-->-- ''Franchise/PiratesOfTheCaribbean''

->''[[AchievementsInIgnorance "I'm so crazy, I don't know this is impossible!"]]''
-->-- '''Daffy Duck''', riding an invisible bicycle in an early ''WesternAnimation/LooneyTunes'' short

->''"In an hour of Darkness a blind man is the best guide. In an age of Insanity look to the madman to lead the way."''
-->-- '''Imperial maxim''', ''TabletopGame/{{Warhammer 40000}}''

->''"Only the insane have strength enough to prosper; only those that prosper may judge what is truly sane."''
-->-- '''Imperial maxim''', ''TabletopGame/{{Warhammer 40000}}''

->''"Sanity is for the '''Weak!'''"''
-->-- '''Chaos credo''', ''TabletopGame/{{Warhammer 40000}}''

->''"The mad can survive what sanity says is suicide."''
-->-- ''[[{{Warcraft}} The Sundering]]''

->''The moment their arms spun freely in our air, they were doomed--for Man has earned his right to hold this planet against all comers, by virtue of occasionally producing someone totally batshit insane.''
-->--Webcomic/{{xkcd}} #556: [[http://xkcd.com/556/ Alternative Energy Revolution]] (alt text)

->''Nothing turned, say, a slightly talented musician into a towering genius faster than the problem of encroaching deafness, and nothing turned a perfectly normal, healthy individual into a great military or political leader better than irreversible brain damage.''
-->-''Radio/TheHitchhikersGuideToTheGalaxy''

->''For the first time she saw its eyes. They were red, and mad as hell. Anything with eyes like that could kill anything it wanted, because madness, true madness, can drive a fist through a plank.''
-->-- ''Literature/{{Discworld}}: Discworld/MenAtArms''

->''Sanity is overrated.''
-->--''Unattributed''

->''That we’re monsters. In her eyes, our [[TraumaticSuperpowerAwakening trigger events]] highlight a moment at the worst point of our lives and our powers make it so we can never put that behind us. Good guy or bad, she sees us as walking personifications of whatever issues drove us to get our powers in the first place, inflicting some shadow or abstract representation of those traumas on others with our powers.''
-->--'''Tattletale''' explains this trope, ''Literature/{{Worm}}''