- How long have you known me?
- I'm not sure that I've ever known you.

6 seconds sound clip from the The Strange Love of Martha Ivers movie soundboard.

You can hear this line at 01:27:36.014 in the Blu-ray version of the movie.

Quote context

[...]

- How did you meet her?

- We lived in the same house.

- In Iverstown?

- Yeah.

- When?

- Now. Now and then.

- Well, let's get back to our drinks.

- To continue with your Antonia Marachek, have you other things in common?

- Taxicabs, hotels and Bibles. And we don't like some of the same people and places.

- It all sounds like a very substantial beginning.

- How long have you known her, really?

- Since the day before yesterday.

- How long have you known me?

- I'm not sure that I've ever known you.

- What do you say? Let's get down to business.

- Let's get out of here.

- Waiter.

- Yes, sir.

- Check, please.

- Yes, sir.

- Whiskey and soda.

- Wait outside.

- Sam, what is it?

- Wait outside.

[...]