The idea that no gentleman ever swears is all wrong. He can swear and still be a gentleman if he does it in a nice and benevolent and affectionate way.
Dombey sat in the corner of the darkened room in the great arm-chair by the bedside, and Son lay tucked up warm in a little basket bedstead, carefully disposed on a low settee immediately in front of the fire and close to it, as if his constitution were analogous to that of a muffin, and it was essential to toast him brown while he was very new.