“It's so nice to have sane friends.I imagine.”

“It's all very well to read about sorrows and imagine yourself living through them heroically, but it's not so nice when you really come to have them, is it?”

“Who says I'm insane?""Oh you're sane alright. You're so sane, you scare me.You're so sane, it's insane.”

“Why are you still with me, Fry?" CyFi asks after one of his body-shaking seizures. "Any sane dude woulda taken off days ago."Who says I'm sane?""Oh, you're sane, Fry. You're so sane, you scare me. You're so sane, it's insane.”

“Gender is not sane. It's not sane to call a rainbow black and white.”

“It seemed to me,' said Wonko the Sane, 'that any civilization that had so far lost its head as to need to include a set of detailed instructions for use in a package of toothpicks, was no longer a civilization in which I could live and stay sane.”