“The difference between mad people and sane people . . . is that sane people have variety when they talk-story. Mad people have only one story that they talk over and over.”

“There are a great many good people, and a great many sane people here this afternoon. Unfortunately, by a kind of coincidence, all the good people are mad, and all the sane people are wicked.”

“If you live with unhealthy people, to be healthy is dangerous. If you live with insane people, then to be sane is dangerous. If you live in a madhouse, even if you are not mad at least pretend that you are mad; otherwise those mad people will kill you.”

“In a mad world, only the mad are sane.”

“Madness is tonic and invigorating. It makes the sane more sane. The only ones who are unable to profit by it are the insane.”

“A mystifying sensation of loneliness shook him. Arthur had been alone before, to be sure, but to be alone while surrounded by people, the one sane man in a mad place - that was loneliness.”