"Most of life is on-the-job training. Some of the most important things can only be learned in the process of doing them. You do something and you get feedback - about what works and what doesn't. If you don't do anything for fear of doing it wrong, poorly, or badly, you never get any feedback, and therefore you never get to improve."

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You want people to think. You want people to be emotionally moved. And there's a theory behind that in terms of storytelling. It has been around for thousands of years. And that's where something like live theater or a live performance is something that is very valuable because you get instant feedback from your audience and you kind of know the things that work and the things that don't work.

— George Lucas