They were once Men. Great kings of Men.
6 seconds sound clip from the The Lord of the Rings: The Fellowship of the Ring movie soundboard.
You can hear this line at 01:04:57 in the Blu-ray version of the movie.
Quote context
[...]
- Let him go! Or I'll have you, Longshanks.
- You have a stout heart, little Hobbit. But that will not save you.
- You can no longer wait for the wizard, Frodo. They're coming.
- They were once Men. Great kings of Men.
- Then Sauron the Deceiver gave to them nine rings of power.
- Blinded by their greed, they took them without question. One by one, falling into darkness.
- Now they are slaves to his will.
- They are the Nazgul. Ringwraiths. Neither living nor dead.
- At all times they feel the presence of the Ring drawn to the power of the One.
[...]