- Sherlock Holmes: I think that maybe it's time to retire me. I miss London: his streets, his bikes, his cars, his buildings, his parks... Maybe I could to investigate about bees. Always I was intrigued about the reason they do hexagonal cells. I could live in the country beekeeping, and write a book about it.
- John Watson: And maybe a woman?
- Sherlock Holmes: [sarcastic] Don't be killjoy Watson! Don't add fog to the landscape.
- Marqués de Simancas: [talking with the minister of urban development] Things must to do well... and not in the Spanish way.
- Enrique Valcárcel: How do you know that existed other victim?
- Sherlock Holmes: The question is why you didn't know before.
- Sherlock Holmes: [about Irene Adler] How can you stand her?
- Ángela: Because I love her... and I accept her.
- Irene Adler: [after to see a copy of Fortunata y Jacinta in the Holmes room] From when you read Spanish literature?
- Sherlock Holmes: I knew the author.
- John Watson: [about Crystal Palace in The Buen Retiro Park] It's so luminous, so bright.
- Sherlock Holmes: It's so luminous that sun enters the palace to take a sunbathe.
- Ángela: How do you think that men getting worse men?
- Irene Adler: [funny] Men getting worse women... when we allow them.
- Sherlock Holmes: I think that we should finish our unfinished business.
- Irene Adler: [suspicious] We aren't unfinished business.
- Irene Adler: Madrilenians have a proverb: "From Madrid to Heaven". I like to say "From Madrid the heaven".
- Sherlock Holmes: Why?
- Irene Adler: [suggestive] Because it's hot.
- Duquesa de Lima: [to Holmes] Love is the greatest of all mysteries. It should be a tragedy that you die do not know it.
- Sherlock Holmes: How are his notions about Spanish language?
- John Watson: [ironic] Excellents. I will not question about his notions: his Spanish language must be so perfect as his swahili.