It'll be a comfort to me to know that she has you.
4 seconds sound clip from the Gone with the Wind (1939) movie soundboard.
You can hear this line at 00:57:07 in the Blu-ray version of the movie.
Quote context
[...]
- But Ashley, you don't think the Yankees are beating us?
- And the snow in Virginia's deep.
- When I see them, and I see the Yankees coming and coming, always more and more!
- Well, when the end does come, I shall be far away.
- It'll be a comfort to me to know that she has you.
- You will promise, won't you?
- Yes.
- Oh, Ashley, I can't let you go!
[...]