Why, you know right well it was my idea to give a party for Bonnie Butler.

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

You can hear this line at 03:07:17 in the Blu-ray version of the movie.

Quote context

[...]

- But of course there is.

- Did I tell you that Fanny Elsing told Dr. Meade that Captain Butler finally admitted that he was honoured by the Confederate Congress for his services at the Battle of Franklin?

- No, and did I tell you that Captain Butler made a stupendous contribution to the Association for the Beautification of the Graves of the Glorious Dead?

- No! (2)

- My little grandbaby, Napoleon Picard, is giving a party for Bonnie next week.

- Why, you know right well it was my idea to give a party for Bonnie Butler.

- Why, how can you say a thing like that?

- Now watch Daddy put your pony over, Bonnie. Now, watch!

- Wait, daddy, let me! Let me!

- All right, darling.

[...]