You know why he stopped writing books. Because he masturbates.
6 seconds sound clip from the Field of Dreams (1989) movie soundboard.
You can hear this line at 00:36:54.670 in the Blu-ray version of the movie.
Quote context
[...]
- And he's widely regarded as the finest satirist of his time.
- Yeah, well I think he's a pervert! Probably a Communist, too!
- What planet are these people from?
- You know why he stopped writing books. Because he masturbates.
- Excuse me, madam. Excuse me.
- I cherished every one of his books, and I dearly wish he had written some more.
- And I think if you had experienced even a little bit of the '60s, you might feel the same way, too.
[...]