A 1981 back and forth between George Lucas, Richard Marquand, and Lawrence Kasdan during a ROTJ story conference reveals Lucas' early thoughts about who could use the force and learning how to use it

Kasdan: The Force was available to anyone who could hook into it?Lucas: Yes, everybody can do it.Kasdan: Not just the Jedi?Lucas: It’s just the Jedi who take the time to do it.Marquand: They use it as a technique.Lucas: Like yoga. If you want to take the time to do it, you can do it; but the ones that really want to do it are the ones who are into that kind of thing. Also like karate.From The Making of Return of the Jedi by J.W. Rinzler. via /r/StarWars https://ift.tt/3pTvWYh