Albert Bigelow Paine,
Mark Twain: A Biography. Volume III, Part 1…
“ Clemens's last days at Florence. The weather had changed: the sunlight and warmth had all gone; a chill, penetrating mist was on the mountains; Monadnock was blotted out. We expected him to go to the fire, but evidently he could not bear being shut in with that subject in his mind. A black cape was brought out and thrown about his shoulders, which seemed to fit exactly into the somberness of the picture. For two hours or more we sat there in the gloom and chill, while he paced up and down, detailing as graphically as might be that final chapter in the life of the woman he had loved. ”
