Dombey and Son by Charles Dickens

Attired no more in Captain Cuttle's sable slops and sou'-wester hat, but dressed in a substantial suit of brown livery, which, while it affected to be a very sober and demure livery indeed, was really as self-satisfied and confident a one as tailor need desire to make, Rob the Grinder, thus transformed as to his outer man, and all regardless within of the Captain and the Midshipman, except when he devoted a few minutes of his leisure time to crowing over those inseparable worthies, and recalling, with much applauding music from that brazen instrument, his conscience, the triumphant manner in which he had disembarrassed himself of their company, now served his patron, Mr Carker. Inmate of Mr Carker's house, and serving about his person, Rob kept his round eyes on the white teeth with fear and trembling, and felt that he had need to open them wider than ever.

He could not have quaked more, through his whole being, before the teeth, though he had come into the service of some powerful enchanter, and they had been his strongest spells. The boy had a sense of power and authority in this patron of his that engrossed his whole attention and exacted his most implicit submission and obedience. He hardly considered himself safe in thinking about him when he was absent, lest he should feel himself immediately taken by the throat again, as on the morning when he first became bound to him, and should see every one of the teeth finding him out, and taxing him with every fancy of his mind. Face to face with him, Rob had no more doubt that Mr Carker read his secret thoughts, or that he could read them by the least exertion of his will if he were so inclined, than he had that Mr Carker saw him when he looked at him.