"I must go."
He climbed into the train and leaning out of the window went on looking at the menacing horizon:
"O, Paris!" he thought, "Paris! Come to my aid! Save me! Save my thoughts!"
The thick fog grew denser still. Behind Christophe, above the country he was leaving, a little patch of sky, pale blue, large, like two eyes—like the eyes of Sabine—smiled sorrowfully through the heavy veil of clouds and then was gone. The train departed. Rain fell. Night fell.