“They move about listlessly and apparently without much purpose; they might just as well be lunatics.”

“There are always some lunatics about. It would be a dull world without them.”

“you may be right, I may be crazy, but it just might be a lunatic you're looking for”

“For is not a Book the most reliable of Companions--and generally among the most stimulating as well? No need to worry about amusing or pleasing or making a good impression on a Book, when its only purpose is to entertain and, perhaps, instruct. And if it should fail in that purpose, one can merely return it to its shelf, without so much as a by-your-leave and no occasion for anxiety about its wounded Pride, either.”

“He might be alone in holding that belief, and if alone, than a lunatic. But the thought of being a lunatic did not greatly trouble him: the horror was that he might also be wrong.”

“You could see a man talking to himself as just plain crazy, or read about the criminal on the front page of the daily paper and ponder the corruption of the human heart, without having to think about whether the criminal or lunatic said something about your own fate.”