Let's not dwell on the past, caribou. It's not attractive.
3 seconds sound clip from the Rudolph the Red-Nosed Reindeer and the Island of Misfit Toys movie soundboard.
You can hear this line at 00:30:26.899 in the DVD version of the movie.
Quote context
[...]
- Look! He's got a very shiny nose.
- It's Rudolph, the Red-Nosed Reindeer.
- Rudy, darling. You're lookin' pretty fabulous. Mmph. Mmph.
- Sorry for all that rough stuff, darling.
- We thought you were the Toy Taker.
- Let's not dwell on the past, caribou. It's not attractive.
- Welcome to my fabulous castle, darlings.
- Come, darling. I give you a 5-penny tour, yes?
- Oh, darling, bring your tired toys, your poor toys, your toys yearning to breathe free.
[...]