“Well, let us say for the moment that it was not a dream exactly, but a hallucination.

“Whichever it was, in any case it haunted me; for months, I think, it was never quite out of my mind, but lingered somewhere in the dusk of consciousness, sometimes sleeping quietly, so to speak, but sometimes stirring in its sleep. It was no good my telling myself that I was disquieting myself in vain, for it was as if something had actually entered into my very soul, as if some seed of horror had been planted there. And as the weeks went on the seed began to sprout, so that I could no longer even tell myself that that vision had been a moment’s disorderment only. I can’t say that it actually affected my health. I did not, as far as I know, sleep or eat insufficiently, but morning after morning I used to wake, not gradually and through pleasant dozings into full consciousness, but with absolute suddenness, and find myself plunged in an abyss of despair.

“Often too, eating or drinking, I used to pause and wonder if it was worth while.

“Eventually, I told two people about my trouble, hoping that perhaps the mere communication would help matters, hoping also, but very distantly, that though I could not believe at present that digestion or the obscurities of the nervous system were at fault, a doctor by some simple dose might convince me of it. In other words I told my wife, who laughed at me, and my doctor, who laughed also, and assured me that my health was quite unnecessarily robust.