Holly, I'm not going to let you do this.

5 seconds sound clip from the Breakfast at Tiffany's movie soundboard.

You can hear this line at 01:48:54 in the Blu-ray version of the movie.

Quote context

[...]

- Even so, this town's finished for me. At least for a while.

- There are certain shades of limelight that can wreck a girl's complexion.

- They'll have the rope up at every saloon in town.

- I'll tell you what you do for me, darling. When you get back to town, I want you to call up the New York Times or whoever you call.

- I want you to mail me a list of the 50 richest men in Brazil. The 50 richest.

- Holly, I'm not going to let you do this.

- You're not going to let me?

- Holly, I'm in love with you.

- So what?

- So what? So plenty. I love you. You belong to me.

- No. People don't belong to people.

- Of course they do.

[...]