Well?
4 seconds sound clip from the The Seven Year Itch (1952) movie soundboard.
You can hear this line at 01:15:52 in the Blu-ray version of the movie.
Quote context
[...]
- Now you sound like a commercial again. If I believed every commercial I heard...
- You can believe this one, every word of it.
- What's that you say on the program?
- He'll never know because I stay kissing-sweet... the new Dazzledent way? Now, really.
- It's true. I'll prove it to you.
- Well?
- My faith in the integrity of American advertising is somewhat restored.
- You see?
- However, before I go to all the trouble of switching brands, I want to make absolutely certain.
- I just cannot understand people like the Kaufmans.
- A successful businessman, probably makes 15,000 a year.
- Spends a fortune collecting African sculpture, but he will not put in air-conditioning.
[...]