I think it comes from really liking literary forms. Poetry is very beautiful, but the space on the page can be as affecting as where the text is. Like when Miles Davis doesn't play, it has a poignancy to it.
“But everyone gets burnt, don't they? Certain things are outside of your control. I suppose the only thing you can learn as a director is to not put yourself into situations where it can get outside of your control. And that's what happened.”