You're probably joking, Professor.

1 seconds sound clip from the Holiday (1938) movie soundboard.

You can hear this line at 00:56:26.024 in the Blu-ray version of the movie.

Quote context

[...]

- We've an order in our office to buy 60000 shares for Ross of Bay State Power all the way up to 30.

- Are you sure of that?

- Well, I took the order myself.

- That cinches it!

- Is that it, Johnny?

- Just about.

- Oh, Johnny, Johnny.

- Oh, Johnny, Johnny.

- Oh, good for you.

- I'd like you to have lunch with me at the club on Tuesday, Johnny. I think I could help you double your yield.

- My dad made me promise to quit after my first million.

- You're probably joking, Professor.

- Mark my words, with the help of the right sort of people in Wall Street, you'll make more than that within two years.

- It wouldn't take that long if we had the right kind of government.

- Like which country, for example, Mr. Cram?

- Oh, now, now, now, no political arguments. Let's all go downstairs and celebrate. Shall we?

- Yes, it's such a wonderful party.

- I'm not going downstairs.

[...]