Émile Zola,
The Three Cities Trilogy: Lourdes…
“ And again did Pierre feel astonished at sight of that sore, which was certainly healing, if not already healed—that face, so lately a monster’s face, which one could now look at without feeling horrified. The sea of incertitude stretched before him once more. Was it even a real lupus? Might it not rather be some unknown form of ulcer of hysterical origin? Or ought one to admit that certain forms of lupus, as yet but imperfectly studied and arising from faulty nutrition of the skin, might be benefited by a great moral shock? ”
