- You know how shy he is, so modest and retiring.
- It's a family characteristic.

8 seconds sound clip from the White Christmas (1954) movie soundboard.

You can hear this line at 00:23:38 in the Blu-ray version of the movie.

Quote context

[...]

- Isn't this nice? Mr. Wallace was just saying how remarkable it was that Benny Haynes' sisters should have eyes... I mean, blue eyes. That is, eyes...

- Nice out.

- That's quite an act you kids have there. It's a funny thing Benny never told us there's so much talent in the family.

- Well, to be perfectly honest...

- Benny didn't want to take advantage of an old Army friendship.

- You know how shy he is, so modest and retiring.

- It's a family characteristic.

- I have a recent snapshot here.

- He always was a good-looking kid.

- Uh, speaking of families I read an article just the other day about citrus fruit and its effect on children's teeth.

- Are you interested in families or children or things like that?

- Yes, I suppose so.

[...]