Unicron, my master, with this I shall make you my slave.
11 seconds sound clip from the The Transformers: The Movie movie soundboard.
You can hear this line at 00:57:51 in the Blu-ray version of the movie.
Quote context
[...]
- Prime, you said the Matrix would light our darkest hour.
- Unicron, my master, with this I shall make you my slave.
- Silence or you will be held in contempt of this court!
- I have nothing but contempt for this court.
[...]