Oh, you don't seem to understand. Why, he can hide everywhere. The entire police force couldn't find him here.

7 seconds sound clip from the Phantom of the Opera (1943) movie soundboard.

You can hear this line at 00:32:04.741 in the Blu-ray version of the movie.

Quote context

[...]

- What's that?

- Oh, our brilliant stage manager insists there's a malicious ghost prowling about the Opera. If anything goes wrong, he thinks this ghost did it!

- Oh, Monsieur.

- It has a long nose and a big red beard.

- You make me nervous!

- It's gone. Did you hear that, Lecours? My master key is gone. Do you realize what that means, Lecours?

- With that key in his possession, the thief can open 2500 doors! To say nothing of thousands of closets and cabinets.

- Perhaps the pickled pigs' feet will kill him.

- Oh, you don't seem to understand. Why, he can hide everywhere. The entire police force couldn't find him here.

- You don't seem to realize the extent of this place, Lecours. You have never taken the trouble to find out.

- Why should I? I have troubles enough.

- What are you waiting for? Get the police!

- Yes, monsieur.

- Paté, a ham, pickled pigs' feet and 2500 rooms!

- What is the Opera coming to?

[...]