- I'm merely trying to save you from squandering your money on these ridiculous enterprises: stocks that are worthless.
- They're not all worthless.
- All of them.

— Monsieur Henri Verdoux (Charlie Chaplin)

10 seconds sound clip from the Monsieur Verdoux movie soundboard.

You can hear this line at 00:43:26 in the Blu-ray version of the movie.

Quote context

[...]

- But darling, what do you know about business?

- Emphatically more than you do, my dear.

- Last time you were home, you came barging in, telling me all the banks were going broke. Getting me all horsed up about bringing my money home. Well, it's a good thing I didn't!

- Very well. We'll forget the matter.

- Now, don't be mad, pigeon.

- I'm not angry, my dear.

- I'm merely trying to save you from squandering your money on these ridiculous enterprises: stocks that are worthless.

- They're not all worthless.

- All of them.

- Well, I still have faith in the Pacific Ocean Power Company.

- Good heavens! What's that?

- I told you about it. It's a machine that floats on waves. When it rocks like this, it turns wheels like that, and that makes electricity.

- Hmm. And what does it make when the sea is calm?

[...]