Since the death of Jonathan Harker, Count Dracula, the propagator of this unspeakable evil, has disappeared. He must be found and destroyed.

14 seconds sound clip from the Horror of Dracula (1958) movie soundboard.

You can hear this line at 00:37:29.160 in the DVD version of the movie.

Quote context

[...]

- Well, sir, to tell you the truth, when I was outside, I thought I heard you talking to someone.

- Of course you did. I was talking to myself.

- You won't forget that letter, will you?

- No, sir. Yes, sir.

- The power of the crucifix in these cases is two-fold. It protects the normal human being, but reveals the vampire or victim of this vile contagion when in advanced stages.

- Established that victims consciously detest being dominated by vampirism, but are unable to relinquish the practice, similar to addiction to drugs.

- Ultimately, death results from loss of blood. But, unlike normal death, no peace manifests itself for they enter into the fearful state of the undead.

- Since the death of Jonathan Harker, Count Dracula, the propagator of this unspeakable evil, has disappeared. He must be found and destroyed.

- She seems so much weaker, Doctor.

- It's a puzzling case, Mrs Holmwood.

- The symptoms are those of anemia and I'm treating her for this.

- It can be a slow process, of course. I had hoped for more encouraging signs by now.

[...]