Get some rest, and don't worry.
5 seconds sound clip from the Kindergarten Cop (1990) movie soundboard.
You can hear this line at 00:22:42 in the Blu-ray version of the movie.
Quote context
[...]
- The little bastards are going to eat you alive.
- Get some rest, and don't worry.
- I've been working undercover for a long time.
- They're 6-year-olds. How much trouble can they be?
- On second thought, take the gun.
- Matthew... I sent you to the principal's office because you punched Jenny.
[...]