A symbol in this story would have to be Algernon, because as a mouse he represents what Charlie is through out the experiment; kept in a cage where he is put on display for others to observe, not really a being, but more like a that was created through the success of the experiment. When Charlie set Algernon free, he then simultaneously decided that he would break away from the scientists, and live his own emotionally free life.
I now know, why the caged bird sings.
I now know, why the caged bird sings.