I'll be back, Son.
3 seconds sound clip from the Dune (1984) movie soundboard.
You can hear this line at 01:26:14 in the Blu-ray version of the movie.
Quote context
[...]
- Father, nothing's going to happen.
- Yes. (4)
- Yes? (2)
- Unknown objects on screen. We are attempting to identify.
- Forgive me, my beloved concubine. I should have married you.
- Why hold a dream to ascend to the throne through a political marriage?
[...]