" I heard a slight groan, and I knew it was the groan of mortal terror. It was not a groan of pain or of grief --oh, no! --it was the low stifled sound that arises from the bottom of the soul when overcharged with awe. I knew the sound well. Many a night, just at midnight, when all the world slept, it has welled up from my own bosom, deepening, with its dreadful echo, the terrors that distracted me. I say I knew it well. I knew what the old man felt, and pitied him, although I chuckled at heart. "

― Edgar Allan Poe , The Tell-Tale Heart