Mycroft Holmes: And this is my brother Sherlock, ma'am.
Queen Victoria: Ah, yes! Sherlock Holmes. We have been following your exploits with great interest.
Holmes: Thank you, ma'am.
Queen Victoria: Are you engaged in one of your fascinating cases at the moment?
Holmes: In a manner of speaking, ma'am.
Queen Victoria: When can we expect to read Dr Watson's account of the case?
Holmes: I hope never, ma'am. It has not been one of my more successful endeavours.
Holmes: We all have occasional failures. Fortunately Dr. Watson never writes about mine.
Holmes: From the sound of your footsteps, I gathered that you were not in a particularly amiable mood.
Nikolai Rogozhin: Mr. Holmes, what you have seen tonight is last, and positively final performance of Madame Petrova. She is retiring.
Holmes: What a shame.
Nikolai Rogozhin: She's been dancing since she was three years old, and after all, she is now thirty-eight.
Holmes: I must say, she doesn't look thirty-eight.
Nikolai Rogozhin: That is because she is forty-nine.
Watson: Wouldn't it be ironic if Holmes' last case were a case of pneumonia?
Holmes: Criminals are as unpredictable as head colds. You never know when you're going to catch one.
Holmes: Some of us are cursed with memories like flypaper. Stuck there is a staggering amount of miscellaneous data, most of it useless.