They get rather absurd ideas sometimes.
3 seconds sound clip from the The Third Man (1949) movie soundboard.
You can hear this line at 00:13:56.300 in the Blu-ray version of the movie.
Quote context
[...]
- The police have a crazy notion that he was mixed up in some sort of a racket.
- Everyone in Vienna is. We all sell cigarettes and that kind of thing.
- I tell you, I've done things that would have seemed unthinkable before the war.
- Once when I was hard up, I sold some tyres on the black market.
- I wonder what my father would have said.
- I'm afraid the police meant more than that.
- They get rather absurd ideas sometimes.
- He's somewhere now he won't mind about that.
- Even so, I'm not going to leave it at this.
- We came out of his place like this, and were walking this way.
- Here?
- Yes.
[...]