That the Vorvolaka is an evil for which the gods punish us mortals.
4 seconds sound clip from the Isle of the Dead (1945) movie soundboard.
You can hear this line at 00:23:31.610 in the Blu-ray version of the movie.
Quote context
[...]
- If the sirocco blows, all danger will be over in 24 hours.
- What's that? Some old peasant superstition. An elemental wolf-spirit. Some such thing in human form.
- They say it drains people of their strength and vitality until they die.
- Kyra will tell you that there's more to it.
- That the Vorvolaka is an evil for which the gods punish us mortals.
- The doctor is the doctor, and we'll do as he says.
- You had better believe in the doctor. He's the only one who can save us.
- You can't mean that seriously.
[...]