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“When I had waited a long time, very patiently, without hearing him lie down, I resolved to open a little--a very, very little crevice in the lantern. So I opened it--you cannot imagine how stealthily, stealthily--until, at length, a single dim ray, like the thread of a spider, shot from out the crevice and full upon the vulture eye.”
-Edgar Allan Poe, “The Tell-Tale Heart”
What is suspenseful, mysterious?