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

“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.”

“Shane? Thank God, somebody sane. Well, sane-ish.”

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

“--Why are we fighting them?--They're mad. We're sane.--How do we know?--That we're sane?--Yes.--Am I sane?--To all appearances.--And you, do you consider yourself sane?--I do.--Well, there you have it.--But don't they also consider themselves sane?--I think they know. Deep down. That they're not sane.--How must that make them feel?--Terrible, I should think. They must fight ever more fiercely, in order to deny what they know to be true. That they are not sane.”