O corvo e a filosofia da composição

» The raven [inglês]
Edgar Allan Poe «

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 floor.
Eagerly I wished the morrow; ? vainly I had sought to borrow
From my books surcease of sorrow ? sorrow for the lost Lenore ?
For the rare and radiant maiden whom the angels name Lenore ?
Nameless here for evermore.
And the silken sad uncertain rustling of each purple curtain
Thrilled me ? filled me with fantastic terrors never felt before;
So that now, to still the beating of my heart, I stood repeating:
?Tis some visitor entreating entrance at my chamber door;
Some late visitor entreating entrance at my chamber door;
This it is and nothing more."
Presently my soul grew stronger; hesitating then no longer,
"Sir," said I, "or Madam, truly your forgiveness I implore;
But the fact is I was napping, and so gently you came rapping,
And so faintly you came tapping, tapping at my chamber door,
That I scarce was sure I heard you" ? here I opened wide the door; ?
Darkness there and nothing more.
Deep into that darkness peering, long I stood there wondering, fearing,
Doubting, dreaming dreams no mortals ever dared to dream before;
But the silence was unbroken, and the stillness gave no token,
And the only word there spoken was the whispered word, "Lenore!"
This I whispered, and an echo murmured back the word, "Lenore!" ?
Merely this and nothing more.
Back into the chamber turning, all my soul within me burning,
Soon again I heard a tapping something louder than before.
"Surely," said I, "surely that is something at my window lattice;
Let me see, then, what