Lion Feuchtwanger’s Les Milles internment camp memoir The Devil in France is available as a digital edition (click on image):
“Of a man who was living well, the Germans used to say that he lived “like God in France.” […] But if God had a good time in France, […] the Devil didn’t have a bad time either. […] I do not think that the Devil with whom we had to deal in the France of 1940 was a particularly perverse devil who would have taken sadistic pleasure in persecuting us. I am inclined to think that he was the Devil of Unthoughtfulness, of Sloth-in-Good-Will, of Conformity.”
— German Writers in French Exile 1933-1940 by Martin Mauthner (London: Vallentine Mitchell, 2007) provides a vivid account.