Tell her before it's too late.
3 seconds sound clip from the Poltergeist (1982) movie soundboard.
You can hear this line at 01:24:22 in the Blu-ray version of the movie.
Quote context
[...]
- Run to the light, Carol Anne! Run as fast as you can!
- You can't choose between life or death when we're dealing with what's in between.
- Tell her before it's too late.
- Run to the light, baby! Mommy's in the light!
- Tell her you're waiting for her.
- Mommy is waiting for you in the light!
[...]