Why, don't you know? There ain't but one Brer Rabbit.
4 seconds sound clip from the Song of the South (1946) movie soundboard.
You can hear this line at 00:16:15.483 in the Blu-ray version of the movie.
Quote context
[...]
- Why, you said there was a tale about Brer Rabbit not coming back to his briar patch.
- Well, bless my soul, child. I sure did.
- And if I don't tell you about him, you're gonna pester me till I does.
- So what's the odds? It ain't no great tale, no-how.
- Is that the same Brer Rabbit that got away from the fox?
- Why, don't you know? There ain't but one Brer Rabbit.
- Now you just set yourself down here and listen with both ears wide open...
- This Brer Rabbit, he's the out-doin'est, the most bodacious critter in the whole world.
[...]