- Please let her stay, Mrs Foley. I should like to hear about your subconscious thingamajigs. 
- You would? Not that it'll cut any ice with you.
7 seconds sound clip from the Dead of Night (1945) movie soundboard.
You can hear this line at 00:20:22.664 in the Blu-ray version of the movie.
Quote context
[...]
- Mother means she wouldn't want your infant mind warped, my pretty.
- I'm sorry, Sally. I didn't mean my fear to frighten you.
- It's all right, Mr. Craig, it didn't.
- Subconscious thingamajigs. Or whatever Dr. Van Straaten makes out they are.
- Thanks for my nice tea, Eliot, and for calling me a liar. Good afternoon.
- Please let her stay, Mrs Foley. I should like to hear about your subconscious thingamajigs.
- You would? Not that it'll cut any ice with you.
- Nobody else could have such a silly nose. It's Jimmy.
[...]

 Dead of Night (1945)
 Dead of Night (1945)  Phantom of the Opera (1943)
 Phantom of the Opera (1943)  Scooby-Doo, Where Are You! (1969)
 Scooby-Doo, Where Are You! (1969)  Halloween III: Season of the Witch (1982)
 Halloween III: Season of the Witch (1982)  Knight Rider (1982)
 Knight Rider (1982)