Sherlock Holmes: Elementary, my dear Watson.

- Basil Rathbone (as Sherlock Holmes) in The Adventures of Sherlock Holmes (1939)

Sherlock Holmes: I've decided to accept your case, Miss Brandon. I shall help you all I can.
Ann Brandon: Oh, Thank you.
Jerrold Hunter: We don't want your interference, Mr. Holmes.
Sherlock Holmes: I interfere whenever and wherever I like, Mr. Hunter.

- Basil Rathbone (as Sherlock Holmes) in The Adventures of Sherlock Holmes (1939)

Sherlock Holmes: The nose of the police dog, although long and efficient, points in only one direction at a time.

- Basil Rathbone (as Sherlock Holmes) in The Adventures of Sherlock Holmes (1939)

Sherlock Holmes: Whatever Watson has found out, you'll know inevitably. I have unbounded confidence in his lack of discretion.

- Basil Rathbone (as Sherlock Holmes) in The Adventures of Sherlock Holmes (1939)