Only a person with undaunted optimism would embark on such a venture. Unfortunately, I did.

8 seconds sound clip from the Monsieur Verdoux movie soundboard.

You can hear this line at 00:02:13 in the Blu-ray version of the movie.

Quote context

[...]

- As you see, my real name is Henri Verdoux...

- For 30 years I was an honest bank clerk, until the Depression of 1930 in which year I found myself unemployed.

- It was then I became occupied in liquidating members of the opposite sex.

- This I did as a strictly business enterprise to support a home and family.

- But let me assure you that the career of a bluebeard is by no means profitable.

- Only a person with undaunted optimism would embark on such a venture. Unfortunately, I did.

- What follows is history.

(Parakeet Chirping)

- There's the postman. Might be a letter from your sister.

- Yes, it might.

- Can't you put that book down a minute and see what it is?

- No, I can't.

[...]