It can't be, sir.

4 seconds sound clip from the X Minus 1 - Mars is Heaven by Ray Bradbury classic radio dramaseries.

You can hear this line at 00:11:13 in the radio play.

Quote context

[...]

- Good Lord. I haven't seen carved scrolls and gingerbread like that in years.

- Look at that porch swing. The geraniums.

- There, I told you it was a rooster captain.

- Give me the glasses. I want to take a look through that front window.

- Well, there's an upright piano. Some sheet music on it. It's Beautiful Ohio.

- It can't be, sir.

- Do you think that civilization of two planets could be identical?

- I don't know. That specific variety of geraniums is only fifty years old on earth.

- Is it logical that they should develop in Mars?

- How about that porch swing, and that piano, and Beautiful Ohio.

[...]