- When the business started?
- Mmm-hmm.
- See much of him before that?
- Once in a while.

4 seconds sound clip from the The Third Man (1949) movie soundboard.

You can hear this line at 00:07:56.917 in the Blu-ray version of the movie.

Quote context

[...]

- You a friend of Lime?

- Yeah.

- Been here long?

- No.

- You've had a bit of a shock, haven't you? You could do with a drink.

- Could you buy me one? I haven't got any Austrian...

- Of course.

- Thanks.

- Schmolka.

- I guess nobody knew Harry like he did. Like I did.

- How long ago?

- Back in school.

- I was never so lonesome in my life till he showed up.

- When did you see him last?

- September '39.

- When the business started?

- Mmm-hmm.

- See much of him before that?

- Once in a while.

- Best friend I ever had.

- That sounds like a cheap novelette.

- I write cheap novelettes.

- I'm afraid I've never heard of you. What's your name again?

- Holly Martins.

- No, sorry.

- You ever hear of The Lone Rider of Santa Fe?

- Can't say that I have.

[...]