His bed was full of sandy lumps. That's how the camel got those humps.
5 seconds sound clip from the Song of the South (1946) movie soundboard.
You can hear this line at 00:09:04.427 in the Blu-ray version of the movie.
Quote context
[...]
- His mammy dreamed of polka dots. That's how the leopard got his spots.
- That's what Uncle Remus said, that's what Uncle Remus said.
- Speckled trout and polka dots. That's how the leopard got his spots.
- The camel crossed the desert sands with all them mighty caravans.
- His bed was full of sandy lumps. That's how the camel got those humps.
- That's what Uncle Remus said, that's what Uncle Remus said. (2)
- Sandy bed was full of lumps. That's how the camel got those humps.
- More, more, tell us more. (2)
- Yes, sir. That's the way with Brer Rabbit, sure as I'm named Remus.
[...]