If only I'd left here when I wanted to, when I still had a will of my own. You tried to stop me. You wouldn't have done if you'd known.
11 seconds sound clip from the Dead of Night (1945) movie soundboard.
You can hear this line at 01:37:59.524 in the Blu-ray version of the movie.
Quote context
[...]
- There's nothing to be afraid of. We're your friends.
- None of you can help me. I must be left alone with Dr. Van Straaten. Please.
- Grainger, would you be kind enough to fetch my spare glasses from my room? I'm lost without them.
- And now, Craig... I accept your dream.
- You have not told me yet what it is that you are compelled to do, Craig.
- To kill someone, someone who's never done me any harm. Who wishes me nothing but good.
- A man without defence, because he's lost in the dark.
- Oh, Doctor why did you have to break your glasses?
- Chop, chop, chop, chop, chop!
[...]

 Dead of Night (1945)
 Dead of Night (1945)  Phantom of the Opera (1943)
 Phantom of the Opera (1943)  Scooby-Doo, Where Are You! (1969)
 Scooby-Doo, Where Are You! (1969)  Halloween III: Season of the Witch (1982)
 Halloween III: Season of the Witch (1982)  Knight Rider (1982)
 Knight Rider (1982)