“I was constantly insecure about whether the tone was right—tone is everything, an indefinable thing, like quality,” Kershner says. “True discipline is from within. Every artist, every painter, every novelist, anyone who does anything must do it for himself, must have his own discipline. That is really what tempers the character. That’s what makes it possible to do something beautiful and to become something beautiful. That, ultimately, is what the film I’m making is about.”