It takes the form of a delusion that an invisible man is living among them.

4 seconds sound clip from the The Invisible Man (1933) movie soundboard.

You can hear this line at 00:24:12.126 in the Blu-ray version of the movie.

Quote context

[...]

- I'll run along back home, then. Good night.

- Good night.

- This is the national station broadcasting this evening's news.

- Remarkable story from country village.

- Police and doctors are investigating an astonishing story told this afternoon by the people of the village of Iping.

- It appears that a mysterious disease has broken out infecting a large number of the inhabitants.

- It takes the form of a delusion that an invisible man is living among them.

- Several people have been seriously injured, probably through fighting among themselves in the belief the their opponent is an invisible man.

- The whole village is in a state of panic, and everyone...

- And everyone deserves the fate that's coming to them. Panic, death, things worse than death.

- Don't be afraid, Kemp. It's me, Griffin. Jack Griffin.

[...]