- This isn't my hat. Must be yours, Doctor.
- No, Doctor, mine is... Mine is...
- Of course it's not yours.
- Angel, I'd like to say...
- Oh, no, dear, of course it's not yours.

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

You can hear this line at 00:43:50.564 in the Blu-ray version of the movie.

Quote context

[...]

- I want her to have a hypo at 6:00, with another one at 9:00.

- Willie...

- Yes, yes, but I'm coming.

- My formula 9-7-7.

- Hey, now look. Now somebody's gonna have to give me a hand with that Simmons dame. She's terrible! You know, I had to take her corset off all by myself.

- Hiya, Dr. Chumley. How's every little...?

- Hey, what's with you and that hat?

- Hat?

- Here's your hat, Dr. Chumley. I'm wearing my hat.

- This isn't my hat. Must be yours, Doctor.

- No, Doctor, mine is... Mine is...

- Of course it's not yours.

- Angel, I'd like to say...

- Oh, no, dear, of course it's not yours.

- But whose hat is it? Look at this. Two holes cut in the crown. It's probably some new fad.

- Perhaps Mr. Dowd left it here, sir.

- Dowd?

- Yes, see, that's what I...

- That's Mrs. Simmons' brother, Doctor. I gave him a pass.

- Willie, dear, that's what I've been trying to tell you. A few minutes ago, I met a gentleman at the gate. His name was Dowd. He said he was looking for a friend of his named Harvey.

- Harvey?

- Yes. Yes, Harvey.

- Holy smoke! I left the water running on that Simmons dame in a hydro tub!

[...]