It's flattering to make a picture which becomes a classic within 10 years; it's not so flattering, however, when people get the impression it's the only picture you've ever made.
I have witnessed how education opens doors, and I know that when sound instruction takes place, students experience the joys of new-found knowledge and the ability to excel.
Most theater methodology is predicated on the idea of repeated actions. That's what you work toward. Having the actor repeat the same moment eight times a week. In a film, it's getting that one moment right.

