- Sherlock Holmes: You're telling me you're British intelligence, and you've managed to keep that from me for over a decade?
- Mycroft Holmes: [dry sarcasm] Because we're so close.
- Marion West: He thought if they were on his arms, he would have a copy that no one else could steal. Obviously, he was wrong.
- Tim Sherrington: I did you a favor last night; I saved your partner's life.
- Sherlock Holmes: You did, and I'm grateful.
- Tim Sherrington: I saved your brother's life too.
- Sherlock Holmes: I'll let that slide.