Ash never means a word he says to any girl.
4 seconds sound clip from the Gone with the Wind (1939) movie soundboard.
You can hear this line at 00:20:20 in the Blu-ray version of the movie.
Quote context
[...]
- Though I expect our good times must seem terribly silly to you because you're so serious.
- You have so much life. I've always admired you so. I wish I could be more like you.
- You mustn't flatter me and say things you don't mean.
- Nobody could accuse Melanie of being insincere. Could they, my dear?
- Well then, she's not like you, is she, Ashley?
- Ash never means a word he says to any girl.
- Oh, why, Charles, you handsome old thing, you!
[...]