How is Harrison Bergeron a parable? parable definition-a simple story used to illustrate a moral or spiritual lesson, as told by Jesus in the Gospels.
a comparison between something from everyday life to something more abstract

Determination

Explanation:

Through determination, you can overcome big challenges.

In the paragraph it mentions that he went through surgery and describes a scar on his ankle. Near the end it says that a smile is plastered on his face.

After months of giving back his legs strength he seems happy. He set his mind on getting back on his feet throughout his big rest so he could win another competition.