Aron is on his way home from school. In class the children talked about what they want to become. Everyone seemed to know, except Aron. Now he can't stop fretting about it. Then Dad tells Aron that some children are Thinkers, who simply love to think about stuff. And then there are the Doers, who can't sit still for even a minute. They're the ones who become firemen, or builders. And then there are ... Aron looks around to see the trees and the clouds, and he hears all the sounds - and everything turns into one big, wonderful world. Aron is a Dreamer.