You must be made to understand what I can do.
4 seconds sound clip from the The Invisible Man (1933) movie soundboard.
You can hear this line at 00:19:24.881 in the Blu-ray version of the movie.
Quote context
[...]
- You think I'd escape like a common criminal?
- You need a lesson. I think I'll throttle you.
- You must be made to understand what I can do.
- I'm afraid I need this bicycle.
- He stole my bike! Stop him! Stop him!
- Here's your blooming bicycle. You can do what you like with it.
[...]