At one point, Javert and his officers wade through the sewers up to their waists in raw sewage. when they emerge, their light-coloured trousers have barely a stain on them, and are essentially clean.
Gillenormand: [to Marius]
Pity? You who takes sides with the scum of the streets against the government, the monarchy, against your own family? You expect to receive pity from me?