I don't think he should be nervous and you shouldn't be either.
5 seconds sound clip from the Christmas Vacation (1989) movie soundboard.
You can hear this line at 00:55:29 in the Blu-ray version of the movie.
Quote context
[...]
- You shouldn't use that word. Sorry.
- Him's nervous because he don't know if he's getting nothing.
- I don't think he should be nervous and you shouldn't be either.
- If you've been good all year round, Santa is gonna bring you something.
- You know, every year he comes to our house. I've seen him.
[...]