- Let me give you one of my cards.
- That won't be necessary, sir. Just sign right here.

5 seconds sound clip from the Harvey (1950) movie soundboard.

You can hear this line at 00:01:51.695 in the Blu-ray version of the movie.

Quote context

[...]

- After you.

- Is this 348?

- Yes, it is.

- I've got a special delivery here.

- Oh, that sounds interesting.

- It's for Dowd.

- Dowd's my name. Elwood P.

- Here, sir.

- Let me give you one of my cards.

- That won't be necessary, sir. Just sign right here.

- Beautiful day.

- Oh, every day's a beautiful day.

- Thank you.

- Ah, he's a nice man. Come on.

- Thank heavens he's gone!

- Oh, Myrtle, it's a wonderful feeling to have your relative out of the house before the company comes.

- Mother, you're sure Uncle Elwood won't come back, and spoil everything after the guests arrive?

- Of course not, dear.

[...]