- I don't know the finish yet.
- Go on, tell it. Maybe one'll come to you as you go along.

7 seconds sound clip from the Casablanca (1942) movie soundboard.

You can hear this line at 00:49:27 in the Blu-ray version of the movie.

Quote context

[...]

- How long was it we had, honey?

- I didn't count the days.

- Well, I did. Every one of them. Mostly I remember the last one. The wild finish.

- A guy standing on a station platform in the rain with a comical look on his face because his insides have been kicked out.

- Can I tell you a story, Rick?

- Does it got a wild finish?

- I don't know the finish yet.

- Go on, tell it. Maybe one'll come to you as you go along.

- It's about a girl who had just come to Paris from her home in Oslo.

- At the house of some friends she met a man about whom she'd heard her whole life.

- A very great and courageous man.

- He opened up for her a whole beautiful world full of knowledge and thoughts and ideals.

[...]