If we weren't all crazy, we'd just go insane.

It's okay to be crazy, but don't be insane.

People are damn crazy and insane.

(Lie To Me Season 2 episode 1)

If we couldn't laugh, we would all go insane.

am i insane" asked alice
"yes, but all the best people are" replied her father

I'm a tad insane, but I promise you won't forget me.