- That's not true.
- Yes, it is.

3 seconds sound clip from the Miracle on 34th Street (1947) movie soundboard.

You can hear this line at 00:59:48 in the Blu-ray version of the movie.

Quote context

[...]

- I had a feeling Doris was beginning to believe in me. Now I find out she was only just humoring me all the time.

- But I just talked to her on the phone. She didn't know anything about that taking pictures with the mayor. That was Sawyer's idea.

- Hmm? Well, I'm glad of that. But why didn't she come to me and explain the whole thing?

- She didn't want to hurt you.

- But only because I was a nice, kind, old man and she was sorry for me.

- That's not true.

- Yes, it is.

- She had doubts. That's why she was just sorry.

- If you'd been dragged off here instead of me, she wouldn't have been sorry. She'd have been furious.

- All right. She had doubts. Why not? She hasn't really believed in anything for years. You can't expect her to suddenly...

- Oh, it's not just Doris.

[...]