- I'd like to ask you something. But you must promise not to be angry.
- I promise.
- No. I mean, seriously.
- All right. I promise.

17 seconds sound clip from the Odds Against Tomorrow (1959) movie soundboard.

You can hear this line at 00:53:33.205 in the Blu-ray version of the movie.

Quote context

[...]

- To a much more affectionate future.

- Come on in and have a visit.

- I've got to keep an ear open for the baby.

- You can hear the baby plenty, down here. Come on.

- Would you do a thing like that?

- Like what?

- Like he did. Leave me alone this way.

- Not for a minute.

- Can you really hear my kid down here?

- Honey, I spent more sleepless nights with you than you know.

- I'd like to ask you something. But you must promise not to be angry.

- I promise.

- No. I mean, seriously.

- All right. I promise.

- How did it feel when you killed that man?

- I'm sorry. I'm stupid.

- You want me to make your flesh creep?

- No, no. Forget it.

- I enjoyed it. It scared me, but I enjoyed it. I hated that man so, I could've killed him all over again even though I didn't mean to.

[...]