“He knew that Hop-Frog was not fond of wine; for it excited the poor cripple almost to madness; and madness is no comfortable feeling.”

“I call to mind flatness and dampness; and then all is madness - the madness of a memory which busies itself among forbidden things.”

“That which you mistake for madness is but an overacuteness of the senses.”

“Science has not yet taught us if madness is or is not the sublimity of the intelligence.”

“Yet mad I am not...and very surely do I not dream.”

“Men have called me mad; but the question is not yet settled, whether madness is or is not the loftiest intelligence– whether much that is glorious– whether all that is profound– does not spring from disease of thought– from moods of mind exalted at the expense of the general intellect.”

“And haven't I told you that what you mistake for madness is but over-acuteness of the senses.”