Simple? Lucy, I'll be positively idiotic.

5 seconds sound clip from the The Moon's Our Home (1941) classic radio play.

You can hear this line at 00:12:31 in the radio play.

Quote context

[...]

- Are you going to marry that - that camel failure?

- No, dear. Not for a while anyway. A million years or so.

- Well, that's better. Now, there's just one thing more.

- No Cherry Chester of Hollywood is going to stay in this house.

- Look at you... all powdered and painted. Your ancestors must be spinning in their graves. Now go upstairs and wash your face!

- And when you come down to dinner, I want to see my granddaughter... plain Sarah Brown. Simply done hair. Simple dress. Everything simple.

- Simple? Lucy, I'll be positively idiotic.

- What's for dinner besides food?

- Oh, just a few old friends of the family.

- Whee! Paper caps and confetti!

- Don't be absurd, dear.

- And I believe Horace is dropping in, too.

- Horace? You mean cousin Horace?

- Your third cousin Horace.

[...]