The particular skill that allows you to talk your way out of a murder rap, or convince your professor to move you from the morning to the afternoon section, is what the psychologist Robert Sternberg calls "practical intelligence." To Sternberg, practical intelligence includes things like "knowing what to say to whom, knowing when to say it, and knowing how to say it for for maximum effect.
I chose the American ones, more or less the last five years of the silent era, because those are the ones that aged the best in the way they tell the story. One, it's about human beings with context. It's a very classical story with feelings, with laughter, melodrama and it really works, the good ones - Murnau's American movies, John Ford's Four Sons, King Vidor's The Crowd, or the (Josef) von Sternberg movies. You can watch it now and it still works. I mean they are really, really good pieces so this is where I tried to work.