And I think this conversation's gone far enough.

4 seconds sound clip from the Gone with the Wind (1939) movie soundboard.

You can hear this line at 02:50:43 in the Blu-ray version of the movie.

Quote context

[...]

- It cannot have escaped your notice that for some time past the friendship I have felt for you has ripened into a deeper feeling, a feeling more beautiful, more pure, more sacred. Dare I name it? Can it be love?

- Get up off your knees. I don't like your common jokes.

- This is an honourable proposal of marriage made at what I consider a most opportune moment.

- I can't go all my life waiting to catch you between husbands.

- You're coarse and you're conceited.

- And I think this conversation's gone far enough.

- Besides, I shall never marry again.

- Oh, yes, you will. And you'll marry me.

- You? You? I don't love you. And I don't like being married.

- Did you ever think of marrying just for fun?

[...]