It's mysterious because it's probably unfinished, he probably left it unfinished, and because it might be meant for a character in a play, but it might just be Keats' thinking about what his own writing, his handwriting, could do, and in it I hear, at least I hear, mortality, and I hear the power of older poetic techniques, and I have the feeling, you might have the feeling, of meeting even for an instant, almost becoming, someone else from long ago, someone quite memorable.