However, the Duke will die before these eyes and he'll know... he'll know that it is I, Baron Vladimir Harkonnen, who encompasses his doom!
14 seconds sound clip from the Dune (1984) movie soundboard.
You can hear this line at 00:48:01 in the Blu-ray version of the movie.
Quote context
[...]
- He who controls the spice, controls the Universe!
- This person, this traitor, will be worth more to us than 10 legions of Sardaukar.
- I won't tell you who the traitor is, or when we'll attack.
- I once told you a daughter would be conceived at a time of parting.
- Conceived in love at a time of parting.
- I must be sure you want this.
[...]