Now, my dear, the acid. Be careful, or you'll burn yourself horribly.
4 seconds sound clip from the Phantom of the Opera (1943) movie soundboard.
You can hear this line at 00:24:16.440 in the Blu-ray version of the movie.
Quote context
[...]
- It's a shame. Pleyel's in there with his etchings.
- Why don't they tell the poor devil he won't see anyone today instead of torturing him like this?
- Do you know whether he's seen my manuscript?
- Manuscript? What manuscript?
- I know nothing about it. Oh, but you yourself took the portfolio into him.
- If I did, you will receive it in due time.
- Now, my dear, the acid. Be careful, or you'll burn yourself horribly.
- I've been waiting to see you since this morning.
- Weren't you told I couldn't see anyone today?
- Yes, but my manuscript. I must find out about my manuscript.
[...]