- Inspector Beth Lestrade: He's gone! Zed!
- Dr. John Watson: But how could he just vanish?
- Sherlock Holmes: Excelent question, Watson.
- Sherlock Holmes: Hm. A perpetual motion machine. I remember studying the Da Vinci drawings in school.
- Sherlock Holmes: The vehicle registration number should fall between 2095 and 3000.
- Dr. John Watson: Good heavens, man! How did you guess? It's number 2098.
- Sherlock Holmes: I didn't guess, Watson, I deduced.
- Sherlock Holmes: [Watson has just saved Holmes' life] Well done, Watson. What did you find on Sam Timble?
- Inspector Beth Lestrade: [exasperated] Does the man ever slow down?
- Sherlock Holmes: I recognized this print from my study of current footwear. It is worn by inmates of the Spanish prison system. That he is still wearing prison shoes indicates he can't afford new ones.