Under the strain of this continually impending doom and by the sleeplessness to which I now condemned myself, ay, even beyond what I had thought poss… - Robert Louis Stevenson

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Under the strain of this continually impending doom and by the sleeplessness to which I now condemned myself, ay, even beyond what I had thought possible to man, I became, in my own person, a creature eaten up and emptied by fever, languidly weak both in body and mind, and solely occupied by one thought: the horror of my other self.