Mrs. Hudson: A case? Oh, you're not up to it, are you?Sherlock Holmes: Work is the best antidote to sorrow, Mrs Hudson.
Mycroft Holmes: Don't be smart.Sherlock Holmes: That takes me back. 'Don't be smart, Sherlock. I'm the smart one.'Mycroft Holmes: I am the smart one.Sherlock Holmes: I used to think I was an idiot.Mycroft Holmes: Both of us thought you were an idiot, Sherlock. We had nothing else to go on till we met other children.Sherlock Holmes: Oh yes, that was a mistake.Mycroft Holmes: Ghastly. What were they thinking of.Sherlock Holmes: Probably something about trying to make friends.Mycroft Holmes: Oh yes. Friends! Of course you go in for that sort of thing now.Sherlock Holmes: And you don't? Ever?Mycroft Holmes: If you seem slow to me, Sherlock, can you imagine what real people are like? I'm living in a world of goldfish.
you look at this menu? It's, uh, completely identical.
Sherlock Holmes: Imagine someone's going to get murdered at a wedding. Who exactly would you pick?Mrs. Hudson: I think you're a popular choice at the moment, dear.