- Cigarette?
- Have you forgotten, Al? I don't smoke.
- Oh, sorry.
- It's all right, darling.

6 seconds sound clip from the The Best Years of Our Lives (1946) movie soundboard.

You can hear this line at 00:28:56.886 in the Blu-ray version of the movie.

Quote context

[...]

- Nice to have you around, Dad. You'll get us back to normal.

- Or maybe go nuts myself.

- What do you think of the children?

- The children? I don't recognize them. They've grown so old.

- I tried to stop them, to keep them just as they were when you left, but they got away from me.

- I guess Peggy has a lot of boyfriends.

- She's very popular.

- Is she concentrating on anyone particular?

- She hasn't told me of anyone.

- But you've told her all the things she ought to know?

- What, for instance?

- Well, have you?

- She's worked two years in a hospital. She knows more than you or I ever will.

- Cigarette?

- Have you forgotten, Al? I don't smoke.

- Oh, sorry.

- It's all right, darling.

- It's frightening.

- What is?

- Youth.

- Didn't you run across any young people in the Army?

- No, they were all old men like me.

- Yes. It's terrible to be old, isn't it?

- Why don't you sit down and relax?

- I'm perfectly relaxed standing up.

[...]