There is always some madness in love. But there is also always some reason in madness. - Friedrich Nietzsche
No excellent soul is exempt from a mixture of madness. - Aristotle
Madness is tonic and invigorating. It makes the sane more sane. The only ones who are unable to profit by it are the insane. - Henry Miller
There is no great genius without some touch of madness. - Seneca
You're only given a little spark of madness. You mustn't lose it. - Robin Williams
Sanity calms, but madness is more interesting. - John Russell
The most beautiful things are those that madness prompts and reason writes - Andre Gide
Too much sanity may be madness and the maddest of all, to see life as it is and not as it should be. - Miguel de Cervantes Saavedra
"Isn't sanity really just a one-trick pony anyway? I mean all you get is one trick, rational thinking, but when you're good and crazy, oooh, oooh, oooh, the sky is the limit!" The Tick
"Being insane allows me to be who I want to be. There are no longer any rules. I am crazy, and I will become World Emperor. Even if it's simply because I'm convinced I'm World Emperor." - Dr. Steel
"You can get away with pretty much anything if you're bonkers." - Dr. Steel
Also, check out The Who.
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