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We have read of some celebrated philosopher who was so absent-minded that he paid a call at his own house. My own absent-mindedness is extreme, and my philosophy, of course, is the marvel of men and angels. But I never quite managed to be so absent-minded as that. Some yards at least from my own door, something vaguely familiar has always caught my eye; and thus the joke has been spoiled. Of course I have quite constantly walked into another man's house, thinking it was my own house; my visits became almost monotonous. But walking into my own house and thinking it was another man's house is a flight of poetic detachment still beyond me. Something of the sensations that such an absent-minded man must feel I really felt the other day; and very pleasant sensations they were. The best parts of every proper romance are the first chapter and the last chapter; and to knock at a strange door and find a nice wife would be to concentrate the beginning and end of all romance.
Mine was a milder and slighter experience, but its thrill was of the same kind. For I strolled through a place I had imagined quite virgin and unvisited (as far as I was concerned), and I suddenly found I was treading in my own footprints, and the footprints were nearly twenty years old.