Among others, I like EA Poe's The Raven: Once upon a midnight dreary, while I pondered weak and weary, Over many a quaint and curious volume of forgotten lore, While I nodded, nearly napping, suddenly there came a tapping, As of some one gently rapping, rapping at my chamber door. `'Tis some visitor,' I muttered, `tapping at my chamber door - Only this, and nothing more.' Ah, distinctly I remember it was in the bleak December, And each separate dying ember wrought its ghost upon the floo