What is the theme in Banner in the Sky by James Ramsey Ullman?

Experience and patience work together as a major theme of this story. Mountain climbing can be an exhilarating experience but also a very unforgiving experience. Rudi must learn to respect the mountain as well as his own limitations. He must put his ego aside and slowly learn what the mountain has to teach him. Rudi learns an early lesson when he strands himself while climbing with his uncle and the captain. His lack of patience causes the rest of the group to be put at risk. He is embarrassed that he needs to be rescued,