“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.”

“So much of my life had been under tight control. So much of Quinn's life had been wild insanity. What we needed now was both: a directed burst of controlled insanity.”

“You're Insane-MollyYou know what they say. It's the ones who are sure they are sane that aren't. -Holt”

“[...] every time he forces himself to think before acting, it's her voice in his head telling him to slow down. He wants to tell her, but she's always so busy in the medical jet—and you don't just go to somebody and say, "I'm a better person because you're in my head.”

“I'm scared," he says."I know," says the nurse."I want you all to go to Hell.""That's natural.”

“All I'm saying is that, unless you're immortal, nothing can really belong to you. The best you can hope for is to hold something for a while, but in the end you've got to give it back.”