Some actors like encouragement. Some actors prefer to have pressure. And sometimes, for some actors, its better to give your comment by silence, because they are so skillful, so gifted, that they understand without talking too much.
Wong Kar-waiThere are certain types of genres that are impossible in China. Ghost stories, something too graphic, too violent, and of course if it's too political. Other than that, it will be fine.
Wong Kar-wai