There are some secrets which do not permit themselves to be told. Men die nightly in their beds, wringing the hands of ghostly confessors, and looking them piteously in the eyes - die with despair of heart and convulsion of throat, on account of the hideousness of mysteries which will not suffer themselves to be revealed. Now and then, alas, the conscience of man takes up a burden so heavy in horror that it can be thrown down only into the grave. And thus the essence of all crime is undivulged.
Edgar Allan PoeAnd have I not told you that what you mistake for madness is but over-acuteness of the sense? --now, I say, there came to my ears a low, dull, quick sound, such as a watch makes when enveloped in cotton. I knew that sound well, too. It was the beating of the old man's heart. It increased my fury, as the beating of a drum stimulates the soldier into courage.
Edgar Allan PoeOdors have an altogether peculiar force, in affecting us through association; a force differing essentially from that of objects addressing the touch, the taste, the sight or the hearing.
Edgar Allan PoeBut in the expression of the countenance, which was beaming all over with smiles, there still lurked (incomprehensible anomalyl) that fitful strain of melancholy which will ever be found inseparable from the perfection of the beautiful.
Edgar Allan Poe