Star Wars is—or should be—a religious franchise. The Jedi are a monastic order trained in contemplating and manipulating an omnipresent Force, and in fighting against those who use the Force for evil ends. The crucial question for every character is always spiritual: whether one will choose the “light” or the “dark” side of the Force. Their character arcs involve taking a religious stance toward this mystical energy field.
At least that’s how it was in the three original Star Wars films (1977-83). In the originals, access to the Force occured on the basis of faith and asceticism. Luke Skywalker had to cease trusting his physical eyes and take on the eyes of faith; he had to train his body and mind extensively before he was capable of the same feats of Force as Yoda.
By contrast, the Star Wars prequels (1999-2005) departed from this religious heart, by making the Force something embedded in the natural world: