- What's wrong with madness?
- Madness.

3 seconds sound clip from the Invasion of the Body Snatchers (1956) movie soundboard.

You can hear this line at 00:24:52.789 in the Blu-ray version of the movie.

Quote context

[...]

- Dan Kauffman's explanation of what was wrong in town - mass hysteria, couldn't explain away that body on Jack's billiard table.

- Come in while I turn the lights on.

- You're a forward wench dragging me into a dark hallway to be kissed.

- I'm dragging you into a dark hallway because I'm scared of the dark tonight.

- In that case I'd better stay and tuck you in.

- That way lies madness.

- What's wrong with madness?

- Madness.

- Now good night.

- Well, it's about time you two got home.

- Dad, what are you doing in the basement this time of night?

- Working in my shop.

- How about a nightcap, doc?

- No, thanks it's kind of late. I'll take a rain check. Good night.

[...]