Be careful sir, you don't slip on the floor. I just been moppin' up.

5 seconds sound clip from the Christmas in July (1944) classic radio play.

You can hear this line at 00:43:49 in the radio play.

Quote context

[...]

- Right now, his physical assets total about 95 cents. And spiritually, well there's more starch in your laundry bag!

- Jimmy's wandered all the way downtown, force of habit's brought him now to his office building.

- Betty's still at his side, and she says nothing when he takes the elevator to the floor marked, 'Baxter and Son'.

- Who's that? Oh... that you Mister Jimmy?

- Hello, Sam.

- Be careful sir, you don't slip on the floor. I just been moppin' up.

- Evening', Miss Casey.

- Hello, Sam. (2)

- Funny how different an office seems at night.

- Why, I always say how funny this office looks in the daylight.

- Forget to turn out the light in Mr. Baxter's office?

[...]