They know I can't even move a finger, and I won't.
5 seconds sound clip from the Psycho (1960) movie soundboard.
You can hear this line at 01:48:16 in the Blu-ray version of the movie.
Quote context
[...]
- He feels a little chill. Can I bring him this blanket?
- They'll put him away now, as I should have years ago.
- They know I can't even move a finger, and I won't.
- I'll just sit here and be quiet, just in case they do suspect me.
- They're probably watching me. Well, let them. Let them see what kind of a person I am.
[...]