But he's not normal. His mind's unhinged. At present, he's mad.
5 seconds sound clip from the The Invisible Man (1933) movie soundboard.
You can hear this line at 00:44:56.411 in the Blu-ray version of the movie.
Quote context
[...]
- Listen, Doctor, I've only got five men here. I'll want a hundred to surround the house.
- Yes, all right, I'll send them up as soon as possible.
- You must leave it to me and Kemp. We shall work day and night to undo this terrible experiment.
- No, now.
- I can do far more with Jack than you or Dr. Kemp.
- But he's not normal. His mind's unhinged. At present, he's mad.
- I can persuade him to help you. You're powerless unless he does.
- Get your coat, Father. I'll be ready in five minutes.
- But it's past midnight. Wait till the morning.
- It's life or death, Father. You know that.
[...]