Glass is a movie about power, but even more than that, it is a movie about belief. It asks whether extraordinary people are defined by what they can do, by what they endure, or by what the world is willing to let them become.
Belief versus containment
One of the film’s central tensions is the clash between Elijah Price’s comic-book worldview and Dr. Staple’s institutional skepticism. Elijah believes hidden design is everywhere. Staple believes extraordinary claims have ordinary explanations. David and Kevin become the battlefield where those competing views collide.
Identity under pressure
Each of the trilogy’s central figures carries a fractured relationship with identity. David resists being seen. Elijah turns self-knowledge into grand design. Kevin is literally divided against himself. Glass keeps pushing all three toward the question of who they are when nobody else gets to name them first.
Stories as revelation
The movie is full of comic-book language, but not because it wants to be cute about fandom. It uses comic books as a way of talking about pattern, destiny, archetype, and hidden truth. In Glass, story is not decoration. Story is evidence.
That is one reason the film has stayed so divisive. It is not only trying to finish a trilogy. It is trying to argue that narrative itself can expose reality instead of merely dressing it up.
Glass is also about disclosure. The movie keeps returning to the question of whether truth belongs in private, inside institutions and secret files, or out in the open where ordinary people can see it. That thread matters because the ending ultimately chooses revelation over domination. The point is not that one character stands tallest. The point is that the hidden world refuses to stay hidden.