As a writer, or as a filmmaker, you have to present yourself, and part of what yourself is is what you're interested in, or what you think is funny, or what you think is sad, or what you think is horrible.
“In the first place I remark that no human law is perfect in its construction or execution.”
“It's very selfish when I write. I'm not aware, ever, of writing for another person; I'm not even really aware of writing for myself.”