I think that shows up hope because of all the characters in this story are counting on their own. Dorothy hoped to return home, Scarecrow hope to be wise, Tin Man hoping to have the heart and the Cowardly Lion hope to have courage. But these hopes were destroyed because they refused to follow the Wizard of oz provided. The Wizard of Oz, but it's encouraging that. Scarecrow have brain already because he has the ability to help Dorothy. Along with providing certificate for Scarecrow Oz cut a piece of tin from the Tin man’s body. Then he put a big ,red , silk heart inside, and close up the hole. After that the Medal of lions make them cheer up and more daring. Dorothy and the Wizard of oz can together build a balloon but the balloon float up to the sky. However, everything on this planet. Nothing has been easy for free and you do not force anything. Sometimes what is in our own, the most valuable and powerful But we did not and overlook it.